INTANGIBLE ASSETS - Summary of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 7,133,947	$ 7,210,005
Finite-Lived Intangible Assets, Accumulated Amortization	(5,874,612)	(5,549,674)
Finite-Lived Intangible Assets, Net	1,259,335	1,660,331
CSC Holdings
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net	1,259,335	1,660,331
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,073,152	6,123,586
Finite-Lived Intangible Assets, Accumulated Amortization	(4,824,140)	(4,484,286)
Finite-Lived Intangible Assets, Net	1,249,012	1,639,300
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,010,300	1,024,300
Finite-Lived Intangible Assets, Accumulated Amortization	(1,010,300)	(1,018,212)
Finite-Lived Intangible Assets, Net	0	6,088
Other amortizable intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	50,495	62,119
Finite-Lived Intangible Assets, Accumulated Amortization	(40,172)	(47,176)
Finite-Lived Intangible Assets, Net	$ 10,323	$ 14,943
Minimum | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	3 years
Minimum | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	4 years
Minimum | Other amortizable intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	1 year
Maximum | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	18 years
Maximum | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	10 years
Maximum | Other amortizable intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	15 years