CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues, net (including revenues, net from affiliates)	$ 1,614,771	$ 1,575,586
Operating expenses:
Technical and operating (excluding depreciation, amortization and impairments shown below and including net charges from affiliates)	795,888	772,983
Selling, general and administrative (including net charges from affiliates)	376,764	380,220
Restructuring expense (credits)	(532)	1,015
Depreciation and amortization	218,900	214,285
Total operating expenses	1,391,020	1,368,503
Operating income	223,751	207,083
Other income (expense):
Interest expense, net	(145,012)	(140,882)
Loss on investments, net	(33,071)	(41,775)
Gain on equity derivative contracts, net	46,166	38,649
Write-off of deferred financing costs, net of gain on extinguishment of debt	0	(611)
Miscellaneous, net	1,007	731
Total other income (expense)	(130,910)	(143,888)
Income from continuing operations before income taxes	92,841	63,195
Income tax benefit (expense)	(37,940)	26,939
Income from continuing operations, net of income taxes	54,901	90,134
Loss from discontinued operations, net of income taxes	(10,502)	(434)
Net income	44,399	89,700
Net loss attributable to noncontrolling interests	234	63
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	44,633	89,763
Basic income (loss) per share attributable to Cablevision Systems Corporation stockholders:
Income from continuing operations (in dollars per share)	$ 0.21	$ 0.34
Loss from discontinued operations (in dollars per share)	$ (0.04)	$ 0.00
Net income (in dollars per share)	$ 0.17	$ 0.34
Basic weighted average common shares (in thousands)	267,919	262,328
Diluted income (loss) per share attributable to Cablevision Systems Corporation stockholders:
Income from continuing operations (in dollars per share)	$ 0.20	$ 0.34
Loss from discontinued operations (in dollars per share)	$ (0.04)	$ 0.00
Net income (in dollars per share)	$ 0.16	$ 0.33
Diluted weighted average common shares (in thousands)	274,370	268,224
Amounts attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member:
Income from continuing operations, net of income taxes	55,135	90,197
Loss from discontinued operations, net of income taxes	(10,502)	(434)
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	44,633	89,763
Cash dividends declared per share of common stock (in dollars per share)	$ 0.15	$ 0.15
CSC Holdings, LLC
Revenues, net (including revenues, net from affiliates)	1,614,771	1,575,586
Operating expenses:
Technical and operating (excluding depreciation, amortization and impairments shown below and including net charges from affiliates)	795,888	772,983
Selling, general and administrative (including net charges from affiliates)	376,764	380,220
Restructuring expense (credits)	(532)	1,015
Depreciation and amortization	218,900	214,285
Total operating expenses	1,391,020	1,368,503
Operating income	223,751	207,083
Other income (expense):
Interest expense	(89,552)	(85,220)
Interest income	12,177	12,085
Loss on investments, net	(33,071)	(41,775)
Gain on equity derivative contracts, net	46,166	38,649
Miscellaneous, net	1,007	731
Total other income (expense)	(63,273)	(75,530)
Income from continuing operations before income taxes	160,478	131,553
Income tax benefit (expense)	(67,542)	(1,798)
Income from continuing operations, net of income taxes	92,936	129,755
Loss from discontinued operations, net of income taxes	(10,502)	(434)
Net income	82,434	129,321
Net loss attributable to noncontrolling interests	234	63
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	82,668	129,384
Amounts attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member:
Income from continuing operations, net of income taxes	93,170	129,818
Loss from discontinued operations, net of income taxes	(10,502)	(434)
Net income attributable to Cablevision Systems Corporation stockholders/CSC Holdings, LLC's sole member	$ 82,668	$ 129,384