INTANGIBLE ASSETS - Summary of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	$ 7,164,038	$ 7,150,959
Finite-Lived Intangible Assets, Accumulated Amortization	(6,461,571)	(6,190,154)
Finite-Lived Intangible Assets, Net	702,467	960,805
CSC Holdings
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	(6,461,571)	(6,190,154)
Finite-Lived Intangible Assets, Net	702,467	960,805
Customer Relationships [Member]
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	6,089,374	6,089,050
Finite-Lived Intangible Assets, Accumulated Amortization	(5,405,190)	(5,137,180)
Finite-Lived Intangible Assets, Net	684,184	951,870
Trade names
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	1,010,000	1,010,000
Finite-Lived Intangible Assets, Accumulated Amortization	(1,010,000)	(1,010,000)
Finite-Lived Intangible Assets, Net	0	0
Other amortizable intangibles
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	64,664	51,909
Finite-Lived Intangible Assets, Accumulated Amortization	(46,381)	(42,974)
Finite-Lived Intangible Assets, Net	$ 18,283	$ 8,935
Minimum | Customer Relationships [Member]
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived intangible asset, useful life	1 year
Minimum | Trade names
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived intangible asset, useful life	4 years
Minimum | Other amortizable intangibles
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived intangible asset, useful life	1 year
Maximum | Customer Relationships [Member]
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived intangible asset, useful life	18 years
Maximum | Trade names
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived intangible asset, useful life	7 years
Maximum | Other amortizable intangibles
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived intangible asset, useful life	15 years