DERIVATIVE CONTRACTS AND COLLATERALIZED INDEBTEDNESS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jan. 24, 2023
Derivative [Line Items]
Gain (loss) on derivative contracts, net	$ 0	$ (166,489)	$ 425,815
Gain (loss) on investments and sale of affiliate interests, net	670	180,237	(659,792)
Gain on interest rate swap contracts, net	18,632	32,664	271,788
Long-term debt	25,057,488	25,074,961
Proceeds from Issuance of Secured Debt	0	38,902	0
Principal Amount	25,096,412	25,126,605
Investment Income, Dividend	11,598
Gain (loss) on extinguishment of debt and write-off of deferred financing costs	(12,901)	4,393	(575)
CSC Holdings
Derivative [Line Items]
Gain (loss) on derivative contracts, net	0	(166,489)	425,815
Gain (loss) on investments and sale of affiliate interests, net	670	180,237	(659,792)
Gain on interest rate swap contracts, net	18,632	32,664	271,788
Proceeds from Issuance of Secured Debt	0	38,902	0
Gain (loss) on extinguishment of debt and write-off of deferred financing costs	(12,901)	4,393	(575)
Notes related to derivative contracts
Derivative [Line Items]
Gain (loss) on derivative contracts, net	0	$ (166,489)	$ 425,815
Collateralized Debt Obligations [Member]
Derivative [Line Items]
Receipt of cash from settlement of collateralized debt				$ 50,500
Gain (loss) on extinguishment of debt and write-off of deferred financing costs	4,393
Interest Rate Swap | CSC Holdings
Derivative [Line Items]
Gain on interest rate swap contracts, net	$ 52,943