DEBT - Senior Guaranteed Notes, Senior Secured Notes, and Senior Notes and Debentures (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Principal amount	$ 25,118,471	$ 25,126,605
Supply chain financing arrangement credit limit	$ 175,000
Secured Debt [Member] \| Synthetic LIBOR Rate (one month)
Debt Instrument [Line Items]
Basis spread on variable rate	0.11448%
Secured Debt [Member] \| Synthetic LIBOR Rate (three months)
Debt Instrument [Line Items]
Basis spread on variable rate	0.26161%
Secured Debt [Member] \| Synthetic LIBOR Rate (six months)
Debt Instrument [Line Items]
Basis spread on variable rate	0.42826%
Cablevision Lightpath Term B Loan \| Secured Debt [Member]
Debt Instrument [Line Items]
Principal amount	$ 580,500	$ 582,000
Cablevision Lightpath Term B Loan \| Secured Debt [Member] \| Alternate base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%

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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