CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues, net (including revenues, net from affiliates)	$ 1,569,619	$ 1,556,618	$ 3,080,847	$ 3,077,048
Operating expenses:
Technical and operating (excluding depreciation, amortization and impairments shown below and including charges from affiliates)	764,343	725,841	1,552,384	1,434,866
Selling, general and administrative (including net charges from (net of charges to) affiliates)	378,517	346,321	769,753	694,571
Restructuring credits	(273)	(93)	(638)	(391)
Depreciation and amortization (including impairments)	229,269	216,361	454,198	427,536
Total operating expenses	1,371,856	1,288,430	2,775,697	2,556,582
Operating income	197,763	268,188	305,150	520,466
Other income (expense):
Interest expense, net	(159,303)	(166,468)	(312,587)	(333,430)
Gain (loss) on investments, net	(2,789)	42,113	96,669	177,438
Gain (loss) on equity derivative contracts, net	19,206	(16,137)	(52,510)	(127,331)
Loss on interest rate swap contracts, net	0	(183)	0	(1,828)
Write-off of deferred financing costs	(6,637)	0	(6,637)	0
Miscellaneous, net	489	260	868	804
Total other income (expense)	(149,034)	(140,415)	(274,197)	(284,347)
Income from continuing operations before income taxes	48,729	127,773	30,953	236,119
Income tax expense	(20,507)	(50,534)	(9,864)	(91,639)
Income from continuing operations	28,222	77,239	21,089	144,480
Income (loss) from discontinued operations, net of income taxes	107,495	(13,450)	98,230	(23,587)
Net income	135,717	63,789	119,319	120,893
Net income attributable to noncontrolling interests	(358)	(260)	(101)	(117)
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	135,359	63,529	119,218	120,776
Basic net income (loss) per share attributable to Cablevision Systems Corporation stockholders:
Income from continuing operations (in dollars per share)	$ 0.11	$ 0.29	$ 0.08	$ 0.54
Income (loss) from discontinued operations (in dollars per share)	$ 0.41	$ (0.05)	$ 0.38	$ (0.09)
Net income (in dollars per share)	$ 0.52	$ 0.24	$ 0.46	$ 0.46
Basic weighted average common shares (in shares)	260,614	263,428	260,060	265,423
Diluted net income (loss) per share attributable to Cablevision Systems Corporation stockholders:
Income from continuing operations (in dollars per share)	$ 0.11	$ 0.29	$ 0.08	$ 0.53
Income (loss) from discontinued operations (in dollars per share)	$ 0.41	$ (0.05)	$ 0.37	$ (0.09)
Net income (in dollars per share)	$ 0.51	$ 0.24	$ 0.45	$ 0.45
Diluted weighted average common shares (in shares)	264,828	267,482	264,434	270,760
Amounts attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member:
Income from continuing operations, net of income taxes	27,864	76,979	20,988	144,363
Income (loss) from discontinued operations, net of income taxes	107,495	(13,450)	98,230	(23,587)
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	135,359	63,529	119,218	120,776
Cash dividends declared per share of common stock (in dollars per share)	$ 0.15	$ 0.15	$ 0.30	$ 0.30
CSC Holdings, LLC [Member]
Revenues, net (including revenues, net from affiliates)	1,569,619	1,556,618	3,080,847	3,077,048
Operating expenses:
Technical and operating (excluding depreciation, amortization and impairments shown below and including charges from affiliates)	764,343	725,841	1,552,384	1,434,866
Selling, general and administrative (including net charges from (net of charges to) affiliates)	378,517	346,321	769,753	694,571
Restructuring credits	(273)	(93)	(638)	(391)
Depreciation and amortization (including impairments)	229,269	216,361	454,198	427,536
Total operating expenses	1,371,856	1,288,430	2,775,697	2,556,582
Operating income	197,763	268,188	305,150	520,466
Other income (expense):
Interest expense	(102,507)	(121,153)	(199,071)	(242,502)
Interest income	14,855	14,966	29,712	30,045
Gain (loss) on investments, net	(2,789)	42,113	96,669	177,438
Gain (loss) on equity derivative contracts, net	19,206	(16,137)	(52,510)	(127,331)
Loss on interest rate swap contracts, net	0	(183)	0	(1,828)
Write-off of deferred financing costs	(6,637)	0	(6,637)	0
Miscellaneous, net	489	260	868	804
Total other income (expense)	(77,383)	(80,134)	(130,969)	(163,374)
Income from continuing operations before income taxes	120,380	188,054	174,181	357,092
Income tax expense	(50,331)	(75,219)	(70,177)	(142,568)
Income from continuing operations	70,049	112,835	104,004	214,524
Income (loss) from discontinued operations, net of income taxes	106,492	(13,450)	97,227	(23,587)
Net income	176,541	99,385	201,231	190,937
Net income attributable to noncontrolling interests	(358)	(260)	(101)	(117)
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	176,183	99,125	201,130	190,820
Amounts attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member:
Income from continuing operations, net of income taxes	69,691	112,575	103,903	214,407
Income (loss) from discontinued operations, net of income taxes	106,492	(13,450)	97,227	(23,587)
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	$ 176,183	$ 99,125	$ 201,130	$ 190,820