CSC HOLDINGS - CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue (including revenue from affiliates of $1,471, $2,368 and $13,238, respectively) (See Note 16)	$ 9,237,064	$ 9,647,659	$ 10,090,849
Costs and Expenses [Abstract]
Programming and other direct costs (including charges from affiliates of $13,794, $14,321 and $17,167, respectively) (See Note 16)	3,029,842	3,205,638	3,382,129
Other operating expenses (including charges from affiliates of $57,063, $12,210 and $11,989 respectively) (See Note 16)	2,646,258	2,735,469	2,379,765
Restructuring, impairments and other operating items	214,727	130,285	17,176
Depreciation and amortization (including impairments)	1,644,297	1,773,673	1,787,152
Total operating expenses	7,535,124	7,845,065	7,566,222
Operating Income (Loss), Total	1,701,940	1,802,594	2,524,627
Nonoperating Income (Expense) [Abstract]
Interest expense, net	(1,639,120)	(1,331,636)	(1,266,591)
Loss (gain) on investments and sale of affiliate interests, net	180,237	(659,792)	(88,898)
Gain (loss) on derivative contracts, net	(166,489)	425,815	85,911
Gain on interest rate swap contracts, net	32,664	271,788	92,735
Gain (loss) on extinguishment of debt and write-off of deferred financing costs	4,393	(575)	(51,712)
Other income, net	4,940	8,535	9,835
Total other income (expense)	(1,583,375)	(1,285,865)	(1,218,720)
Income before income taxes	118,565	516,729	1,305,907
Income Tax Expense (Benefit)	(39,528)	(295,840)	(294,975)
Net income	79,037	220,889	1,010,932
Comprehensive income attributable to noncontrolling interests	(25,839)	(26,326)	(20,621)
Net income attributable to CSC Holdings, LLC sole member	53,198	194,563	990,311
Related Party
Revenue (including revenue from affiliates of $1,471, $2,368 and $13,238, respectively) (See Note 16)	1,471	2,368	13,238
Costs and Expenses [Abstract]
Programming and other direct costs (including charges from affiliates of $13,794, $14,321 and $17,167, respectively) (See Note 16)	13,794	14,321	17,167
Other operating expenses (including charges from affiliates of $57,063, $12,210 and $11,989 respectively) (See Note 16)	57,063	12,210	11,989
CSC Holdings
Revenue (including revenue from affiliates of $1,471, $2,368 and $13,238, respectively) (See Note 16)	9,237,064	9,647,659	10,090,849
Costs and Expenses [Abstract]
Programming and other direct costs (including charges from affiliates of $13,794, $14,321 and $17,167, respectively) (See Note 16)	3,029,842	3,205,638	3,382,129
Other operating expenses (including charges from affiliates of $57,063, $12,210 and $11,989 respectively) (See Note 16)	2,646,258	2,735,469	2,379,765
Restructuring, impairments and other operating items	214,727	130,285	17,176
Depreciation and amortization (including impairments)	1,644,297	1,773,673	1,787,152
Total operating expenses	7,535,124	7,845,065	7,566,222
Operating Income (Loss), Total	1,701,940	1,802,594	2,524,627
Nonoperating Income (Expense) [Abstract]
Interest expense, net	(1,639,120)	(1,331,636)	(1,266,591)
Loss (gain) on investments and sale of affiliate interests, net	180,237	(659,792)	(88,898)
Gain (loss) on derivative contracts, net	(166,489)	425,815	85,911
Gain on interest rate swap contracts, net	32,664	271,788	92,735
Gain (loss) on extinguishment of debt and write-off of deferred financing costs	4,393	(575)	(51,712)
Other income, net	4,940	8,535	9,835
Total other income (expense)	(1,583,375)	(1,285,865)	(1,218,720)
Income before income taxes	118,565	516,729	1,305,907
Income Tax Expense (Benefit)	(42,577)	(292,152)	(297,110)
Net income	75,988	224,577	1,008,797
Comprehensive income attributable to noncontrolling interests	(25,839)	(26,326)	(20,621)
Net income attributable to CSC Holdings, LLC sole member	$ 50,149	$ 198,251	$ 988,176