Carrying amount of Senior Notes

No definition available.

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- Definition

Carrying amount of Senior Notes and Senior Secured Notes

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No definition available.

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- Definition

Carrying value of Credit Facility Debt

+ References

No definition available.

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- Definition

Face amount of Credit Facility Debt

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- Definition

Face Amount of Senior Notes

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- Definition

Face Amount of Senior Notes and Senior Secured Notes

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No definition available.

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- Definition

Line of Credit Facility, Periodic Payment, Percentage of Principal

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- Definition

Notes Payable that will be reclassed to collateralized debt upon maturity

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No definition available.

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- Definition

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

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No definition available.

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- Definition

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

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- Definition

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

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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.

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No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

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- Definition

Indicates line item in statement of financial position that includes current finance lease liability.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

The effective interest rate at the end of the reporting period.

+ References

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Period Type:	instant

- 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.

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- Definition

Amount of the required periodic payment applied to principal.

+ References

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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Period Type:	instant

- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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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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- 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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DEBT - Credit Silo Combination (Details) - USD ($)		1 Months Ended			12 Months Ended
DEBT - Credit Silo Combination (Details) - USD ($)	Mar. 15, 2017	Sep. 30, 2020	Oct. 31, 2019	Jan. 31, 2018	Dec. 31, 2021	Dec. 31, 2020	Jun. 21, 2016
Debt Instrument [Line Items]
Principal amount					$ 26,671,018,000	$ 26,940,911,000
Long-term debt					26,546,760,000	26,722,342,000
Face Amount of Senior Notes and Senior Guaranteed Notes					7,660,000,000	7,658,806,000
Carrying amount of Senior Notes and Senior Guaranteed Notes					7,635,633,000	7,626,309,000
Face amount of Credit Facility Debt					7,952,438,000	7,750,188,000
Carrying value of Credit Facility Debt					7,916,492,000	7,705,192,000
Finance Lease, Liability					218,735,000	159,637,000
Debt					917,313,000	1,245,713,000
Less: current portion of senior notes					(635,310,000)	(989,917,000)
Finance Lease, Liability, Current					109,204,000	63,454,000
Long-term debt, net of current maturities					25,629,447,000	25,476,629,000
Principal Amount					$ 26,671,018,000	$ 26,940,911,000
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]					Other current liabilities ($31,810 and $8,538 due to affiliates)	Other current liabilities ($31,810 and $8,538 due to affiliates)
Carrying amount of Senior Notes					$ 7,543,137,000	$ 8,009,426,000
Face Amount of Senior Notes					7,524,024,000	8,024,024,000
Notes Payable that will be reclassed to collateralized debt upon maturity					59,451,000
Cablevision Lightpath
Debt Instrument [Line Items]
Face Amount of Senior Notes and Senior Guaranteed Notes					1,459,000,000	1,465,000,000
Carrying amount of Senior Notes and Senior Guaranteed Notes					1,427,962,000	1,429,471,000
Credit Facility [Domain]
Debt Instrument [Line Items]
Principal amount						78,750,000
Debt						78,750,000
Principal Amount						78,750,000
Senior Notes
Debt Instrument [Line Items]
Principal amount					649,024,000	1,000,000,000
Principal Amount					649,024,000	1,000,000,000
Loans Payable
Debt Instrument [Line Items]
Principal amount						113,592,000
Long-term debt					94,049,000	113,592,000
Principal Amount						113,592,000
Short-term Debt
Debt Instrument [Line Items]
Principal amount					931,027,000	1,255,796,000
Debt					917,313,000	1,245,713,000
Principal Amount					931,027,000	1,255,796,000
Incremental Term Loan B-3 \| Secured Debt [Member]
Debt Instrument [Line Items]
Principal amount					$ 1,239,938,000	1,252,688,000
Stated interest rate					2.36%
Credit facility					$ 1,236,394,000	1,248,293,000
Principal Amount					1,239,938,000	1,252,688,000
CSC Holdings Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount					$ 900,000,000	625,000,000
Stated interest rate					2.36%
Line of Credit Facility, Maximum Borrowing Capacity					$ 2,475,000,000		$ 2,475,000,000
Credit facility					893,864,000	616,027,000
Principal Amount					$ 900,000,000	625,000,000
CSC Holdings Revolving Credit Facility \| Secured Debt [Member] \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%				3.25%
CSC Holdings Term Loan B \| Secured Debt [Member]
Debt Instrument [Line Items]
Principal amount					$ 2,865,000,000	2,895,000,000
Stated interest rate					2.36%
Credit facility					$ 2,856,421,000	2,884,065,000
Principal Amount					2,865,000,000	2,895,000,000
Incremental Term Loan B-2 \| Secured Debt [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 1,500,000,000
Line of credit facility, periodic payment amount				$ 3,750,000
Incremental Term Loan B-2 \| Secured Debt [Member] \| Eurodollar
Debt Instrument [Line Items]
Basis spread on variable rate				2.50%
Incremental Term Loan B-5 \| Secured Debt [Member]
Debt Instrument [Line Items]
Principal amount					$ 2,947,500,000	2,977,500,000
Stated interest rate					2.61%
Line of Credit Facility, Maximum Borrowing Capacity					$ 3,000,000,000
Credit facility					2,929,813,000	2,956,807,000
Principal Amount					2,947,500,000	2,977,500,000
Line of credit facility, periodic payment amount	$ 7,500
Incremental Term Loan B-5 \| Secured Debt [Member] \| Eurodollar
Debt Instrument [Line Items]
Basis spread on variable rate			2.50%
Secured Debt [Member]
Debt Instrument [Line Items]
Principal amount					1,759,017,000	1,699,566,000
Long-term debt					1,706,997,000	1,617,506,000
Principal Amount					1,759,017,000	1,699,566,000
Loans Payable
Debt Instrument [Line Items]
Principal amount					97,804,000	183,690,000
Long-term debt						174,801,000
Principal Amount					97,804,000	183,690,000
CSC Holdings Term Loan Facility \| Secured Debt [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity						3,000,000,000
Line of credit facility periodic payment, percentage of principal	0.25%
Line of credit facility, periodic payment amount	$ 7,500,000
CSC Holdings Term Loan Facility \| Secured Debt [Member] \| Eurodollar
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Cablevision Lightpath Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount					0	0
Line of Credit Facility, Maximum Borrowing Capacity					100,000,000
Credit facility					0	0
Principal Amount					0	0
Cablevision Lightpath Term B Loan \| Secured Debt [Member]
Debt Instrument [Line Items]
Principal amount					$ 594,000,000	600,000,000
Stated interest rate					3.75%
Credit facility					$ 579,119,000	582,808,000
Principal Amount					$ 594,000,000	600,000,000
Line of credit facility periodic payment, percentage of principal		0.25%
Cablevision Lightpath Term B Loan \| Secured Debt [Member] \| Eurodollar
Debt Instrument [Line Items]
Basis spread on variable rate		3.25%
Senior Notes \| 8.625% Notes due February 15, 2019
Debt Instrument [Line Items]
Principal amount						526,000,000
Stated interest rate					8.625%
Principal Amount						526,000,000
Senior Notes \| 8.0% Notes due April 15, 2020
Debt Instrument [Line Items]
Stated interest rate					8.00%
Senior Notes \| 6.75% Notes due November 15, 2021
Debt Instrument [Line Items]
Principal amount					$ 0	1,000,000,000
Stated interest rate					6.75%
Outstanding debt					$ 0	989,917,000
Principal Amount					0	1,000,000,000
Senior Notes \| 5.875% Notes due September 15, 2022
Debt Instrument [Line Items]
Principal amount					$ 649,024,000	649,024,000
Stated interest rate					5.875%
Outstanding debt					$ 635,310,000	617,333,000
Principal Amount					649,024,000	649,024,000
Senior Notes \| 5.25% Notes due June 1, 2024
Debt Instrument [Line Items]
Principal amount					$ 750,000,000	750,000,000
Stated interest rate					5.25%
Outstanding debt					$ 711,137,000	697,041,000
Principal Amount					$ 750,000,000	750,000,000
Senior Notes \| Cablevision 7.750% Notes due July 15, 2025
Debt Instrument [Line Items]
Principal amount						1,740,000
Stated interest rate					7.75%
Principal Amount						1,740,000
Senior Notes \| 10.125% Notes due January 15, 2023
Debt Instrument [Line Items]
Stated interest rate					10.125%
Senior Notes \| 10.875% Notes due October 15, 2025
Debt Instrument [Line Items]
Principal amount						1,684,221,000
Stated interest rate					10.875%
Principal Amount						1,684,221,000
Senior Notes \| Cablevision 7.500% Notes due April 1, 2028
Debt Instrument [Line Items]
Principal amount					$ 4,118,000	4,118,000
Stated interest rate					7.50%
Outstanding debt					$ 4,113,000	4,112,000
Principal Amount					$ 4,118,000	4,118,000
Senior Notes \| CSC Holdings 5.125% Notes due December 15, 2021
Debt Instrument [Line Items]
Principal amount						1,240,762,000
Stated interest rate					5.125%
Principal Amount						1,240,762,000
Senior Notes \| CSC Holdings 7.750% Notes due July 15, 2025
Debt Instrument [Line Items]
Principal amount						617,881,000
Stated interest rate					7.75%
Principal Amount						617,881,000
Senior Notes \| CSC Holdings 5.375% Senior Guaranteed Notes due July 15, 2023
Debt Instrument [Line Items]
Stated interest rate					5.375%
Senior Notes \| CSC Holdings 7.500% Notes due April 1, 2028
Debt Instrument [Line Items]
Principal amount					$ 1,045,882,000	1,045,882,000
Stated interest rate					7.50%
Outstanding debt					$ 1,044,582,000	1,044,424,000
Principal Amount					1,045,882,000	1,045,882,000
Senior Notes \| CSC Holdings 5.750% Notes due January 15, 2030
Debt Instrument [Line Items]
Principal amount					$ 2,250,000,000	2,250,000,000
Stated interest rate					5.75%
Outstanding debt					$ 2,282,875,000	2,286,097,000
Principal Amount					2,250,000,000	2,250,000,000
Senior Notes \| CSC Holdings 4.625% Notes due December 1, 2030
Debt Instrument [Line Items]
Principal amount					$ 2,325,000,000	2,325,000,000
Stated interest rate					4.625%
Outstanding debt					$ 2,366,886,000	2,370,502,000
Principal Amount					2,325,000,000	2,325,000,000
Senior Notes \| Cablevision Lightpath LLC 5.625% Notes due September 15, 2028
Debt Instrument [Line Items]
Principal amount					$ 415,000,000	415,000,000
Stated interest rate					5.625%
Outstanding debt					$ 407,104,000	406,176,000
Principal Amount					415,000,000	415,000,000
Senior Notes \| CSC Holdings 5.000% Notes due November 15, 2031
Debt Instrument [Line Items]
Principal amount					$ 500,000,000
Stated interest rate					5.00%
Outstanding debt					$ 498,234,000
Principal Amount					500,000,000
Secured Debt [Member] \| CSC Holdings 5.375% Senior Guaranteed Notes due July 15, 2023
Debt Instrument [Line Items]
Principal amount						1,095,825,000
Principal Amount						1,095,825,000
Secured Debt [Member] \| CSC Holdings 5.500% Notes due May 15, 2026
Debt Instrument [Line Items]
Principal amount					$ 0	1,498,806,000
Stated interest rate					5.50%
Outstanding debt					$ 0	1,487,644,000
Principal Amount					$ 0	1,498,806,000
Secured Debt [Member] \| 6.625% Notes due October 15, 2025
Debt Instrument [Line Items]
Principal amount						1,000,000,000
Stated interest rate					6.625%
Principal Amount						1,000,000,000
Secured Debt [Member] \| 5.5% Notes due April 15, 2027
Debt Instrument [Line Items]
Principal amount					$ 1,310,000,000	1,310,000,000
Stated interest rate					5.50%
Outstanding debt					$ 1,306,508,000	1,305,955,000
Principal Amount					1,310,000,000	1,310,000,000
Secured Debt [Member] \| 5.375% Senior Guaranteed Notes Due February 1, 2028
Debt Instrument [Line Items]
Principal amount					$ 1,000,000,000	1,000,000,000
Stated interest rate					5.375%
Outstanding debt					$ 994,262,000	993,490,000
Principal Amount					1,000,000,000	1,000,000,000
Secured Debt [Member] \| CSC Holdings 6.500% Notes due February 1, 2029
Debt Instrument [Line Items]
Principal amount					$ 1,750,000,000	1,750,000,000
Stated interest rate					6.50%
Outstanding debt					$ 1,747,511,000	1,747,245,000
Principal Amount					1,750,000,000	1,750,000,000
Secured Debt [Member] \| CSC Holdings 4.625% Notes due December 1, 2030
Debt Instrument [Line Items]
Principal amount					$ 625,000,000
Stated interest rate					4.625%
Principal Amount					$ 625,000,000
Secured Debt [Member] \| CSC Holdings 4.125% Notes due December 1, 2030
Debt Instrument [Line Items]
Principal amount					$ 1,100,000,000	1,100,000,000
Stated interest rate					4.125%
Outstanding debt					$ 1,095,672,000	1,095,283,000
Principal Amount					1,100,000,000	1,100,000,000
Secured Debt [Member] \| CSC Holdings 3.375% Notes due February 15, 2031
Debt Instrument [Line Items]
Principal amount					$ 1,000,000,000	1,000,000,000
Stated interest rate					3.375%
Outstanding debt					$ 996,970,000	996,692,000
Principal Amount					1,000,000,000	1,000,000,000
Secured Debt [Member] \| Cablevision Lightpath LLC 3.875% Notes due September 15, 2027
Debt Instrument [Line Items]
Principal amount					$ 450,000,000	450,000,000
Stated interest rate					3.875%
Outstanding debt					$ 441,739,000	440,487,000
Principal Amount					450,000,000	450,000,000
Secured Debt [Member] \| CSC Holdings 4.500% Senior Guaranteed Notes due November 15, 2031
Debt Instrument [Line Items]
Principal amount					$ 1,500,000,000
Stated interest rate					4.50%
Outstanding debt					$ 1,494,710,000
Principal Amount					1,500,000,000
Long-term Debt
Debt Instrument [Line Items]
Principal amount					25,739,991,000	25,685,115,000
Long-term debt, net of current maturities					25,629,447,000	25,476,629,000
Principal Amount					$ 25,739,991,000	$ 25,685,115,000