CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenue (including revenue from affiliates of $74, $637, $386 and $1,319, respectively) (See Note 14)	$ 2,227,700	$ 2,317,200	$ 6,719,390	$ 6,935,452
Operating expenses:
Programming and other direct costs (including charges from affiliates of $2,449, $3,615, $8,951 and $9,337, respectively) (See Note 14)	711,330	750,538	2,174,677	2,284,537
Other operating expenses (including charges from affiliates of $13,429, $30,064, $34,188 and $39,859, respectively) (See Note 14)	674,564	667,278	2,019,356	1,974,651
Restructuring, impairments and other operating items (See Note 7)	10,871	4,453	15,525	39,303
Depreciation and amortization (including impairments)	386,342	402,366	1,170,503	1,237,283
Total operating expenses	1,783,107	1,824,635	5,380,061	5,535,774
Operating income	444,593	492,565	1,339,329	1,399,678
Other income (expense):
Interest expense, net	(448,168)	(420,216)	(1,328,264)	(1,216,203)
Gain on investments and sale of affiliate interests, net	0	0	292	192,010
Loss on derivative contracts, net	0	0	0	(166,489)
Gain (loss) on interest rate swap contracts, net	(45,657)	31,972	10,220	78,708
Gain (loss) on extinguishment of debt and write-off of deferred financing costs	0	0	(7,035)	4,393
Other income (loss), net	(1,495)	(1,470)	(4,526)	7,165
Total other income (expense)	(495,320)	(389,714)	(1,329,313)	(1,100,416)
Income (loss) before income taxes	(50,727)	102,851	10,016	299,262
Income tax benefit (expense)	9,892	(27,336)	(42,045)	(106,433)
Net income (loss)	(40,835)	75,515	(32,029)	192,829
Net income attributable to noncontrolling interests	(2,135)	(8,676)	(16,773)	(21,825)
Net income (loss) attributable to CSC Holdings, LLC sole member	$ (42,970)	$ 66,839	$ (48,802)	$ 171,004
Income (loss) per share:
Basic income (loss) per share	$ (0.09)	$ 0.15	$ (0.11)	$ 0.38
Basic weighted average common shares (in thousands)	460,626	454,730	459,335	454,702
Diluted income (loss) per share	$ (0.09)	$ 0.15	$ (0.11)	$ 0.38
Diluted weighted average common shares (in thousands)	460,626	455,076	459,335	455,118
Cash dividends declared per common share	$ 0	$ 0	$ 0	$ 0