v3.25.4

INTERIM FINANCIAL INFORMATION (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Quarterly Financial Information [Line Items]
Revenue	$ 8,590,467	$ 8,954,417	$ 9,237,064
Operating expenses	(8,703,025)	(7,274,325)	(7,535,124)
Operating Income (Loss), Total	(112,558)	1,680,092	1,701,940
Net income (loss)	(1,833,047)	(78,277)	79,037
Comprehensive income attributable to noncontrolling interests	(35,977)	(24,641)	(25,839)
Net Income (Loss) Attributable to Parent, Total	(1,869,024)	(102,918)	53,198
Operating Income (Loss)	(112,558)	1,680,092	1,701,940
Net income attributable to noncontrolling interests	35,977	24,641	25,839
Net income (loss) attributable to CSC Holdings, LLC sole member	$ (1,869,024)	$ (102,918)	$ 53,198
Basic income (loss) per share	$ (4.00)	$ (0.22)	$ 0.12
Diluted income (loss) per share	$ (4.00)	$ (0.22)	$ 0.12
CSC Holdings
Quarterly Financial Information [Line Items]
Revenue	$ 8,590,467	$ 8,954,417	$ 9,237,064
Operating expenses	(8,713,078)	(7,276,139)	(7,535,124)
Operating Income (Loss), Total	(122,611)	1,678,278	1,701,940
Net income (loss)	(1,845,379)	(77,420)	75,988
Comprehensive income attributable to noncontrolling interests	(35,977)	(24,641)	(25,839)
Net Income (Loss) Attributable to Parent, Total	(1,881,356)	(102,061)	50,149
Distributions to parent	9,738	8,399	1,793
Operating Income (Loss)	(122,611)	1,678,278	1,701,940
Net income attributable to noncontrolling interests	35,977	24,641	25,839
Net income (loss) attributable to CSC Holdings, LLC sole member	(1,881,356)	(102,061)	50,149
Pay TV [Member]
Quarterly Financial Information [Line Items]
Revenue	2,590,790	2,896,600	3,072,011
Broadband [Member]
Quarterly Financial Information [Line Items]
Revenue	3,542,230	3,645,460	3,824,472
Telephony [Member]
Quarterly Financial Information [Line Items]
Revenue	253,677	277,938	300,198
Business Services and Wholesale [Member]
Quarterly Financial Information [Line Items]
Revenue	1,489,061	1,471,764	1,467,149
Mobile [Member]
Quarterly Financial Information [Line Items]
Revenue	164,568	117,084	77,012
Advertising and News [Member]
Quarterly Financial Information [Line Items]
Revenue	$ 471,800	$ 486,172	$ 447,742

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