CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Assets [Abstract]
Accounts receivable, trade allowance for doubtful accounts	$ 24,232	$ 21,915
Prepaid Expense and Other Assets, Current	141,897	174,859
Property, plant and equipment, accumulated depreciation	8,762,014	8,162,442
Amortizable intangible assets, accumulated amortization	6,190,154	5,874,612
LIABILITIES AND MEMBER'S DEFICIENCY
Other Accrued Liabilities, Current	$ 425,459	$ 470,096
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	100,000,000	100,000,000
Preferred stock, shares outstanding (in shares)	0	0
Cash and cash equivalents	$ 256,534	$ 302,058
Restricted cash	290	280
Accounts receivable, trade (less allowance for credit losses of $24,232 and $21,915, respectively)	332,271	357,597
Property, plant and equipment, net of accumulated depreciation of $8,762,014 and $8,162,442, respectively	8,414,632	8,117,757
Right-of-use operating lease assets	248,013	255,545
Other assets	94,403	195,114
Finite-Lived Intangible Assets, Net	960,805	1,259,335
Cable television franchises	13,211,308	13,216,355
Goodwill	8,041,217	8,044,716
Accounts Payable, Current	971,499	936,950
Interest payable	406,208	274,507
Accrued employee related costs	191,990	182,146
Deferred revenue	74,167	85,018
Long-Term Debt, Current Maturities	185,473	359,407
Other Liabilities, Noncurrent	320,435	221,249
Deferred tax liability	4,455,840	4,848,460
Right-of-use operating lease liability	255,116	264,647
Long-term debt, net of current maturities	24,872,015	24,715,554
Preferred stock, $0.01 par value, 100,000,000 shares authorized, no shares issued and outstanding	0	0
Paid-in capital	233,953	187,186
Retained Earnings (Accumulated Deficit)	(703,993)	(601,075)
Treasury Stock, Value	(10)	0
Accumulated Other Comprehensive Income (Loss), Net of Tax	(3,826)	(12,851)
Noncontrolling interests	$ 12,403	(12,238)
Treasury Stock, Common, Shares	967,629
Related Party
Assets [Abstract]
Prepaid Expense and Other Assets, Current	$ 314	407
LIABILITIES AND MEMBER'S DEFICIENCY
Other Accrued Liabilities, Current	26,944	71,523
CSC Holdings
Assets [Abstract]
Accounts receivable, trade allowance for doubtful accounts	24,232	21,915
Prepaid Expense and Other Assets, Current	142,694	174,859
Property, plant and equipment, accumulated depreciation	8,162,442	8,762,014
Amortizable intangible assets, accumulated amortization	6,190,154	5,874,612
LIABILITIES AND MEMBER'S DEFICIENCY
Other Accrued Liabilities, Current	407,540	470,097
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Cash and cash equivalents	246,326	302,051
Restricted cash	290	280
Accounts receivable, trade (less allowance for credit losses of $24,232 and $21,915, respectively)	332,271	357,597
Property, plant and equipment, net of accumulated depreciation of $8,762,014 and $8,162,442, respectively	8,414,632	8,117,757
Right-of-use operating lease assets	248,013	255,545
Other assets	108,855	195,114
Finite-Lived Intangible Assets, Net	960,805	1,259,335
Cable television franchises	13,211,308	13,216,355
Goodwill	8,041,217	8,044,716
Accounts Payable, Current		936,950
Interest payable		274,507
Accrued employee related costs		182,146
Deferred revenue		85,018
Long-Term Debt, Current Maturities	185,473	359,407
Other Liabilities, Noncurrent	255,683	221,249
Deferred tax liability	4,455,840	4,851,959
Right-of-use operating lease liability	255,116	264,647
Long-term debt, net of current maturities	24,872,015	24,715,554
Accumulated Other Comprehensive Income (Loss), Net of Tax	(3,826)	(12,851)
Noncontrolling interests	12,403	(12,238)
CSC Holdings | Related Party
Assets [Abstract]
Prepaid Expense and Other Assets, Current	905	407
LIABILITIES AND MEMBER'S DEFICIENCY
Other Accrued Liabilities, Current	26,944	$ 71,523
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Accounts Payable, Current	971,499
Interest payable	406,208
Accrued employee related costs	191,990
Deferred revenue	$ 74,167
Common Class A
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized (in shares)	4,000,000,000
Common stock, shares issued (in shares)	279,948,159	271,772,978
Common stock, shares outstanding (in shares)	278,980,530	271,772,978
Common Stock	$ 2,799	$ 2,718
Common Class B
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000
Common stock, shares issued (in shares)	490,086,674	490,086,674
Common stock, shares outstanding (in shares)	184,224,015	184,224,428
Common Stock	$ 1,842	$ 1,842
Common Class C
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized (in shares)	4,000,000,000
Common stock, shares outstanding (in shares)	0
Common Stock	$ 0	$ 0