CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenue (including revenue from affiliates of $3,379, $496, $6,867, and $1,088 respectively) (See Note 15)	$ 2,474,979	$ 2,451,081	$ 4,925,235	$ 4,847,648
Operating expenses:
Cost of Goods and Services Sold	860,875	818,994	1,725,389	1,631,979
Other operating expenses (including charges from affiliates of $2,161, $2,020, $6,102 and $4,266, respectively) (See Note 15)	542,637	569,459	1,124,946	1,133,891
Restructuring and other expense	40,966	11,465	48,260	26,709
Depreciation and amortization (including impairments)	521,794	568,620	1,069,363	1,130,048
Total operating expenses	1,966,272	1,968,538	3,967,958	3,922,627
Operating income	508,707	482,543	957,277	925,021
Other income (expense):
Interest expense	(351,025)	(381,218)	(716,236)	(769,501)
Interest income	151	605	1,810	2,424
Gain (loss) on investments and sale of affiliate interests, net	197,597	103,146	(257,876)	357,871
Gain (loss) on derivative contracts, net	(152,061)	(49,624)	287,800	(226,653)
Loss on interest rate swap contracts, net	(33,735)	(26,900)	(88,567)	(50,572)
Loss on extinguishment of debt and write-off of deferred financing costs	0	(1,194)	0	(159,096)
Other income, net	669	212	1,592	292
Total other income (expense)	(338,404)	(354,973)	(771,477)	(845,235)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	170,303	127,570	185,800	79,786
Income Tax Expense (Benefit)	(58,826)	(41,160)	(75,861)	(18,574)
Net income	111,477	86,410	109,939	61,212
Net loss (income) attributable to noncontrolling interests	(213)	(43)	467	156
Net income attributable to Altice USA, Inc. stockholders	$ 111,264	$ 86,367	$ 110,406	$ 61,368
Income per share:
Earnings Per Share, Basic	$ 0.19	$ 0.13	$ 0.18	$ 0.09
Basic weighted average common shares (in thousands)	587,587	668,031	604,500	681,703
Earnings Per Share, Diluted	$ 0.19	$ 0.13	$ 0.18	$ 0.09
Weighted Average Number of Shares Outstanding, Diluted	589,466	668,648	606,597	682,014