CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net Income	$ 312,204	$ 465,641	$ 233,613
Adjustments to reconcile net income to net cash provided by operating activities:
Income from discontinued operations, net of income taxes	(2,822)	(338,316)	(159,288)
Depreciation and amortization (including impairments)	866,502	909,147	907,775
Gain on sale of affiliate interests	0	0	(716)
Gain on investments, net	(129,659)	(313,167)	(294,235)
Loss on equity derivative contracts, net	45,055	198,688	211,335
Loss on extinguishment of debt and write-off of deferred financing costs	10,120	22,542	66,213
Amortization of deferred financing costs and discounts on indebtedness	22,887	25,936	36,106
Share-based compensation expense related to equity classified awards	43,984	52,715	60,646
Settlement loss and amortization of actuarial losses related to pension and postretirement plans	7,643	1,575	997
Deferred income taxes	159,779	69,456	42,330
Provision for doubtful accounts	47,611	55,231	49,002
Excess tax benefits related to share-based awards	(336)	(1,280)	0
Change in assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable, trade	(42,446)	(25,673)	(76,955)
Other receivables	16,685	(6,465)	(10,489)
Prepaid expenses and other assets	27,803	(2,176)	47,560
Advances/payables to affiliates	(1,463)	(1,637)	12,970
Accounts payable	25,486	(1,715)	16,172
Accrued liabilities	(35,931)	33,982	(26,443)
Deferred revenue	5,169	(9,507)	(2)
Liabilities related to interest rate swap contracts	0	0	(55,383)
Net cash provided by operating activities	1,378,271	1,134,977	1,061,208
Cash flows from investing activities:
Capital expenditures	(891,678)	(951,679)	(991,586)
Proceeds related to sale of equipment, including costs of disposal	6,178	7,884	364
Proceeds from sale of affiliate interests	0	0	750
Decrease (increase) in other investments	(1,369)	(1,178)	955
Decrease in restricted cash	0	0	1,149
Additions to other intangible assets	(1,193)	(3,685)	(4,704)
Net cash used in investing activities	(888,062)	(948,658)	(993,072)
Cash flows from financing activities:
Proceeds from credit facility debt, net of discount	0	3,296,760	0
Repayment of credit facility debt	(990,785)	(3,445,751)	(519,458)
Proceeds from issuance of senior notes	750,000	0	750,000
Redemption and repurchase of senior notes, including premiums and fees	(36,097)	(371,498)	(531,326)
Repayment of notes payable	(2,306)	(570)	0
Proceeds from collateralized indebtedness	416,621	569,561	248,388
Repayment of collateralized indebtedness and related derivative contracts	(342,105)	(508,009)	(218,754)
Dividend distributions to common stockholders	(160,545)	(159,709)	(163,872)
Proceeds from stock option exercises	55,355	18,120	18,722
Tax withholding associated with shares issued for equity-based compensation	0	(644)	0
Principal payments on capital lease obligations	(15,481)	(13,828)	(13,729)
Deemed repurchases of restricted stock	(6,608)	(12,262)	(19,831)
Purchase of shares of CNYG Class A common stock, pursuant to a share repurchase program, held as treasury shares	0	0	(188,600)
Excess tax benefit related to share-based awards	336	1,280	0
Additions to deferred financing costs	(14,273)	(27,080)	(21,491)
Distributions to noncontrolling interests, net	(1,014)	(1,424)	(1,588)
Net cash used in financing activities	(346,902)	(655,054)	(661,539)
Net increase (decrease) in cash and cash equivalents from continuing operations	143,307	(468,735)	(593,403)
Cash flows of discontinued operations:
Net cash provided by (used in) operating activities	(1,199)	199,006	437,280
Net cash provided by (used in) investing activities	6,081	646,185	(83,671)
Net cash used in financing activities	0	(38,735)	(7,650)
Effect of change in cash related to discontinued operations	0	31,893	(9,250)
Net increase in cash and cash equivalents from discontinued operations	4,882	838,349	336,709
Cash and cash equivalents at beginning of year	702,224	332,610	589,304
Cash and cash equivalents at end of year	850,413	702,224	332,610
CSC Holdings, LLC
Cash flows from operating activities:
Net Income	462,773	620,055	386,351
Adjustments to reconcile net income to net cash provided by operating activities:
Income from discontinued operations, net of income taxes	(2,822)	(330,711)	(159,288)
Depreciation and amortization (including impairments)	866,502	909,147	907,775
Gain on sale of affiliate interests	0	0	(716)
Gain on investments, net	(129,659)	(313,167)	(294,235)
Loss on equity derivative contracts, net	45,055	198,688	211,335
Loss on extinguishment of debt and write-off of deferred financing costs	9,618	23,144	66,213
Amortization of deferred financing costs and discounts on indebtedness	14,602	18,167	29,727
Share-based compensation expense related to equity classified awards	43,984	52,715	60,646
Settlement loss and amortization of actuarial losses related to pension and postretirement plans	7,643	1,575	997
Deferred income taxes	53,189	99,867	72,379
Provision for doubtful accounts	47,611	55,231	49,002
Excess tax benefits related to share-based awards	(4,978)	(46,164)	(61,434)
Change in assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable, trade	(42,446)	(25,673)	(76,955)
Other receivables	14,131	(13,905)	(2,649)
Prepaid expenses and other assets	27,803	(2,176)	47,402
Advances/payables to affiliates	222,212	121,128	43,159
Accounts payable	25,486	(1,715)	16,172
Accrued liabilities	(29,608)	41,998	(25,487)
Deferred revenue	5,169	(9,507)	(2)
Liabilities related to interest rate swap contracts	0	0	(55,383)
Net cash provided by operating activities	1,636,265	1,398,697	1,215,009
Cash flows from investing activities:
Capital expenditures	(891,678)	(951,679)	(991,586)
Proceeds related to sale of equipment, including costs of disposal	6,178	7,884	364
Proceeds from sale of affiliate interests	0	0	750
Decrease (increase) in other investments	(1,369)	(1,178)	955
Decrease in restricted cash	0	0	1,149
Additions to other intangible assets	(1,193)	(3,685)	(4,704)
Net cash used in investing activities	(888,062)	(948,658)	(993,072)
Cash flows from financing activities:
Proceeds from credit facility debt, net of discount	0	3,296,760	0
Repayment of credit facility debt	(990,785)	(3,445,751)	(519,458)
Proceeds from issuance of senior notes	750,000	0	0
Redemption and repurchase of senior notes, including premiums and fees	0	(308,673)	(504,501)
Repayment of notes payable	(2,306)	(570)	0
Proceeds from collateralized indebtedness	416,621	569,561	248,388
Repayment of collateralized indebtedness and related derivative contracts	(342,105)	(508,009)	(218,754)
Principal payments on capital lease obligations	(15,481)	(13,828)	(13,729)
Capital contributions from Cablevision	0	0	735,000
Distributions to Cablevision	(396,382)	(501,224)	(671,809)
Excess tax benefit related to share-based awards	4,978	46,164	61,434
Additions to deferred financing costs	(14,273)	(27,080)	(5,296)
Distributions to noncontrolling interests, net	(1,014)	(1,424)	(1,588)
Net cash used in financing activities	(590,747)	(894,074)	(890,313)
Net increase (decrease) in cash and cash equivalents from continuing operations	157,456	(444,035)	(668,376)
Cash flows of discontinued operations:
Net cash provided by (used in) operating activities	(1,199)	199,006	437,280
Net cash provided by (used in) investing activities	6,081	646,185	(83,671)
Net cash used in financing activities	0	(38,735)	(7,650)
Effect of change in cash related to discontinued operations	0	31,893	(9,250)
Net increase in cash and cash equivalents from discontinued operations	4,882	838,349	336,709
Cash and cash equivalents at beginning of year	651,058	256,744	588,411
Cash and cash equivalents at end of year	$ 813,396	$ 651,058	$ 256,744