DEBT - CSC Holdings Credit Facilities (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Principal Amount	$ 26,407,393	$ 25,096,412
CSC Credit Facilities
Debt Instrument [Line Items]
Percentage of proceeds from asset sales required to pay down term loans	100.00%
Percentage of excess cash flow required when minimum leverage ratio is not met	50.00%
Percentage of excess cash flow required to pay down term loans when minimum leverage ratio is fulfilled	0.00%
Minimum debt leverage ratio required for zero percent of excess cash flow obligation to prepay debt	4.5
Line of credit facility, covenant, leverage ratio	5.0
Secured Debt [Member] | CSC Holdings Term Loan Facility
Debt Instrument [Line Items]
Principal Amount	$ 5,001,942
Secured Debt [Member] | Incremental Term Loan B-5
Debt Instrument [Line Items]
Principal Amount	2,827,500	2,857,500
Borrowing capacity at inception of Loan	3,000
Secured Debt [Member] | Incremental Term Loan B-6
Debt Instrument [Line Items]
Principal Amount	0	1,966,908
Borrowing capacity at inception of Loan	2,001,942
Secured Debt [Member] | Incremental Term Loan B-7
Debt Instrument [Line Items]
Principal Amount	0
Borrowing capacity at inception of Loan	2,000,000
Revolving Credit Facility | CSC Holdings Revolving Credit Facility
Debt Instrument [Line Items]
Principal Amount	2,125,000	$ 1,700,000
Line of Credit Facility, Maximum Borrowing Capacity	2,475,000
Proceeds from long-term debt	875,000
Repayments of line of credit	$ 450,000