CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets [Abstract]
Accounts receivable, trade allowance for doubtful accounts	$ 34,870	$ 27,931
Due from Related Parties, Current	3,790	3,776
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(7,550,050)	(7,142,852)
Finite-Lived Intangible Assets, Accumulated Amortization	$ 5,343,741	$ 5,051,149
Stockholders' Deficiency:
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 issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Treasury Stock, Shares	19,570	20,887
CSC Holdings
LIABILITIES AND STOCKHOLDERS' DEFICIENCY
Due to Affiliate, Current	$ 25,767	$ 31,810
Common Class A
Stockholders' Deficiency:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	4,000,000,000	4,000,000,000
Common stock, shares issued (in shares)	270,345,124	270,341,685
Common stock, shares outstanding (in shares)	270,325,554	270,320,798
Common Class B
Stockholders' Deficiency:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	490,086,674
Common stock, shares outstanding (in shares)	184,329,903	184,333,342
Common Class C
Stockholders' Deficiency:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	4,000,000,000	4,000,000,000
Common stock, shares issued (in shares)	0	0
Common stock, shares outstanding (in shares)	0	0