CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues, net (including revenues, net from affiliates)	$ 1,626,187	$ 1,567,837	$ 4,829,910	$ 4,648,684
Operating expenses:
Technical and operating (excluding depreciation, amortization and impairments shown below and including net charges from affiliates)	787,628	767,377	2,348,928	2,319,761
Selling, general and administrative (including net charges from (to) affiliates)	377,181	371,572	1,120,588	1,141,325
Restructuring expenses (credits)	(137)	56	530	(582)
Depreciation and amortization (including impairments)	209,069	203,405	644,442	657,603
Total operating expenses	1,373,741	1,342,410	4,114,488	4,118,107
Operating income	252,446	225,427	715,422	530,577
Other income (expense):
Interest expense, net	(146,442)	(145,275)	(430,459)	(457,862)
Gain on investments, net	2,151	70,222	38,988	166,891
Gain (loss) on equity derivative contracts, net	13,679	(40,750)	19,715	(93,260)
Loss on extinguishment of debt and write-off of deferred financing costs	(1,931)	(16,509)	(10,229)	(23,146)
Miscellaneous, net	811	805	3,348	1,673
Total other income (expense)	(131,732)	(131,507)	(378,637)	(405,704)
Income from continuing operations before income taxes	120,714	93,920	336,785	124,873
Income tax expense	(48,813)	(34,172)	(83,722)	(44,036)
Income from continuing operations	71,901	59,748	253,063	80,837
Income (loss) from discontinued operations, net of income taxes	(79)	235,286	2,997	333,516
Net income	71,822	295,034	256,060	414,353
Net income attributable to noncontrolling interests	(331)	(433)	(596)	(534)
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	71,491	294,601	255,464	413,819
Basic income (loss) per share attributable to Cablevision Systems Corporation stockholders:
Income from continuing operations (in dollars per share)	$ 0.27	$ 0.23	$ 0.96	$ 0.31
Income (loss) from discontinued operations (in dollars per share)	$ 0	$ 0.90	$ 0.01	$ 1.28
Net income (in dollars per share)	$ 0.27	$ 1.13	$ 0.97	$ 1.59
Basic weighted average common shares (in shares)	265,403	261,287	263,832	260,473
Diluted income (loss) per share attributable to Cablevision Systems Corporation stockholders:
Income from continuing operations (in dollars per share)	$ 0.26	$ 0.22	$ 0.94	$ 0.30
Income (loss) from discontinued operations (in dollars per share)	$ 0	$ 0.88	$ 0.01	$ 1.26
Net income (in dollars per share)	$ 0.26	$ 1.10	$ 0.95	$ 1.56
Diluted weighted average common shares (in shares)	271,269	267,558	269,625	265,487
Amounts attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member:
Income from continuing operations, net of income taxes	71,570	59,315	252,467	80,303
Income (loss) from discontinued operations, net of income taxes	(79)	235,286	2,997	333,516
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	71,491	294,601	255,464	413,819
Cash dividends declared per share of common stock (in dollars per share)	$ 0.15	$ 0.15	$ 0.45	$ 0.45
CSC Holdings, LLC [Member]
Revenues, net (including revenues, net from affiliates)	1,626,187	1,567,837	4,829,910	4,648,684
Operating expenses:
Technical and operating (excluding depreciation, amortization and impairments shown below and including net charges from affiliates)	787,628	767,377	2,348,928	2,319,761
Selling, general and administrative (including net charges from (to) affiliates)	377,181	371,572	1,120,588	1,141,325
Restructuring expenses (credits)	(137)	56	530	(582)
Depreciation and amortization (including impairments)	209,069	203,405	644,442	657,603
Total operating expenses	1,373,741	1,342,410	4,114,488	4,118,107
Operating income	252,446	225,427	715,422	530,577
Other income (expense):
Interest expense	(90,862)	(88,516)	(263,662)	(287,587)
Interest income	12,112	14,911	36,314	44,623
Gain on investments, net	2,151	70,222	38,988	166,891
Gain (loss) on equity derivative contracts, net	13,679	(40,750)	19,715	(93,260)
Loss on extinguishment of debt and write-off of deferred financing costs	(1,931)	(16,507)	(9,618)	(23,144)
Miscellaneous, net	811	805	3,348	1,673
Total other income (expense)	(64,040)	(59,835)	(174,915)	(190,804)
Income from continuing operations before income taxes	188,406	165,592	540,507	339,773
Income tax expense	(79,007)	(67,541)	(172,032)	(137,718)
Income from continuing operations	109,399	98,051	368,475	202,055
Income (loss) from discontinued operations, net of income taxes	(79)	235,682	2,997	332,909
Net income	109,320	333,733	371,472	534,964
Net income attributable to noncontrolling interests	(331)	(433)	(596)	(534)
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	108,989	333,300	370,876	534,430
Amounts attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member:
Income from continuing operations, net of income taxes	109,068	97,618	367,879	201,521
Income (loss) from discontinued operations, net of income taxes	(79)	235,682	2,997	332,909
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	$ 108,989	$ 333,300	$ 370,876	$ 534,430