CSC HOLDINGS - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income	$ 270,749	$ (2,729)	$ 750,222	$ 107,210
Defined benefit pension and postretirement plans:
Unrecognized actuarial gain (loss)	(1,551)	5,183	9,984	(6,406)
Applicable income taxes	413	(1,374)	(2,657)	1,724
Unrecognized gain (loss) arising during period, net of income taxes	(1,138)	3,809	7,327	(4,682)
Amortization of actuarial gains	(11)	0	(11)	0
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss), Tax	3	0	3	0
Amortization of actuarial gains included in other expense, net of tax		0	(8)	0
Settlement loss (gain) included in other expense, net	(522)	122	(1,917)	895
Applicable income taxes	139	(39)	512	(246)
Settlement loss (gain) included in other expense, net, net of income taxes	(383)	83	(1,405)	649
Foreign currency translation adjustment	(619)	(582)	(140)	(1,523)
Applicable income taxes	0	0	0	0
Foreign currency translation adjustment, net	(619)	(582)	(140)	(1,523)
Other comprehensive income (loss)	(2,148)	3,310	5,774	(5,556)
Comprehensive income	268,601	581	755,996	101,654
Net loss (income) attributable to noncontrolling interests	(3,896)	(1,966)	(11,573)	(1,499)
Comprehensive income (loss) attributable to Altice USA, Inc. stockholders	264,705	(1,385)	744,423	100,155
CSC Holdings
Net income	270,749	(2,874)	752,519	120,921
Defined benefit pension and postretirement plans:
Unrecognized actuarial gain (loss)	(1,551)	5,183	9,984	(6,406)
Applicable income taxes	413	(1,374)	(2,657)	1,724
Unrecognized gain (loss) arising during period, net of income taxes	(1,138)	3,809	7,327	(4,682)
Amortization of actuarial gains	(11)	0	(11)	0
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss), Tax	3	0	3	0
Amortization of actuarial gains included in other expense, net of tax	(8)	0	(8)	0
Settlement loss (gain) included in other expense, net	(522)	122	(1,917)	895
Applicable income taxes	139	(39)	512	(246)
Settlement loss (gain) included in other expense, net, net of income taxes	(383)	83	(1,405)	649
Foreign currency translation adjustment	(619)	(582)	(140)	(1,523)
Applicable income taxes	0	0	0	0
Foreign currency translation adjustment, net	(619)	(582)	(140)	(1,523)
Other comprehensive income (loss)	(2,148)	3,310	5,774	(5,556)
Comprehensive income	268,601	436	758,293	115,365
Net loss (income) attributable to noncontrolling interests	(3,896)	(1,966)	(11,573)	(1,499)
Comprehensive income (loss) attributable to Altice USA, Inc. stockholders	$ 264,705	$ (1,530)	$ 746,720	$ 113,866