CSC HOLDINGS - CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income	$ 202,141	$ 278,539
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization (including impairments)	435,349	434,857
Loss (gain) on derivative contracts, net	(101,074)	53,565
Amortization of deferred financing costs and discounts (premiums) on indebtedness	20,342	23,039
Share-based compensation expense	40,532	28,281
Deferred income taxes	(16,149)	29,165
Operating Lease, Right-of-Use Asset, Amortization Expense	10,955	10,816
Provision for doubtful accounts	14,737	11,133
Other	(287)	1,074
Change in assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable, trade	9,112	55,293
Prepaid expenses and other assets	(19,462)	(26,321)
Amounts due from and due to affiliates	(8,992)	4,627
Accounts payable and accrued liabilities	(13,477)	(29,696)
Deferred revenue	14,613	38,501
Liabilities related to interest rate swap contracts	(138,894)	(89,798)
Net cash provided by operating activities	600,219	749,622
Cash flows from investing activities:
Capital expenditures	(392,371)	(212,791)
Other, net	888	2,143
Net cash used in investing activities	(391,483)	(210,648)
Cash flows from financing activities:
Proceeds from long-term debt	150,000	150,000
Repayment of long-term debt	(329,688)	(225,863)
Proceeds from collateralized indebtedness and related derivative contracts, net	0	185,105
Repayment of collateralized indebtedness and related derivative contracts, net	0	(185,105)
Principal payments on finance lease obligations	(28,941)	(18,330)
Other	0	393
Net cash used in financing activities	(208,629)	(597,445)
Net increase (decrease) in cash and cash equivalents	107	(58,471)
Net decrease in cash and cash equivalents	(63)	(57,851)
Cash, cash equivalents and restricted cash at beginning of year	195,975	278,686
Cash, cash equivalents and restricted cash at end of period	195,912	220,835
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(170)	620
Gain on investments, net	(150,773)	73,453
CSC Holdings
Cash flows from operating activities:
Net income	202,141	278,539
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization (including impairments)	435,349	434,857
Loss (gain) on derivative contracts, net	(101,074)	53,565
Amortization of deferred financing costs and discounts (premiums) on indebtedness	20,342	23,039
Share-based compensation expense	40,532	28,281
Deferred income taxes	(16,149)	29,165
Operating Lease, Right-of-Use Asset, Amortization Expense	10,955	10,816
Provision for doubtful accounts	14,737	11,133
Other	(287)	1,074
Change in assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable, trade	9,112	55,293
Prepaid expenses and other assets	(18,703)	(26,321)
Amounts due from and due to affiliates	(8,992)	3,882
Accounts payable and accrued liabilities	(13,477)	(29,611)
Deferred revenue	14,613	38,501
Liabilities related to interest rate swap contracts	(138,894)	(89,798)
Net cash provided by operating activities	600,978	748,962
Cash flows from investing activities:
Capital expenditures	(392,371)	(212,791)
Other, net	888	2,143
Net cash used in investing activities	(391,483)	(210,648)
Cash flows from financing activities:
Proceeds from long-term debt	150,000	150,000
Repayment of long-term debt	(329,688)	(225,863)
Proceeds from collateralized indebtedness and related derivative contracts, net	0	185,105
Repayment of collateralized indebtedness and related derivative contracts, net	0	(185,105)
Distributions to parent	0	501,000
Principal payments on finance lease obligations	(28,941)	(18,330)
Other	0	(1,465)
Net cash used in financing activities	(208,629)	(596,658)
Net increase (decrease) in cash and cash equivalents	866	(58,344)
Net decrease in cash and cash equivalents	696	(57,724)
Cash, cash equivalents and restricted cash at beginning of year	193,418	278,202
Cash, cash equivalents and restricted cash at end of period	194,114	220,478
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(170)	620
Gain on investments, net	$ (150,773)	$ 73,453