v3.24.1.u1
DEBT - Senior Guaranteed Notes and Senior Notes and Debentures (Details) - USD ($)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Debt Instrument [Line Items]      
Principal amount $ 25,118,471,000   $ 25,126,605,000
Face Amount of Senior Guaranteed Notes 10,710,000,000   8,660,000,000
Carrying amount of Senior Guaranteed Notes 10,668,062,000   8,635,472,000
Face amount of Credit Facility Debt 6,461,923,000   7,741,655,000
Carrying value of Credit Facility Debt 6,411,829,000   7,685,784,000
Finance Lease, Liability 201,250,000   228,356,000
Long-term debt 25,061,819,000   25,074,961,000
Debt 344,117,000   359,407,000
Finance Lease, Liability, Current 113,300,000   123,636,000
Long-term debt, net of current maturities 24,717,702,000   24,715,554,000
Repayments of line of credit 2,967,306,000 $ 268,936,000  
Gain (loss) on extinguishment of debt and write-off of deferred financing costs (7,035,000) $ 4,393,000  
Loans Payable      
Debt Instrument [Line Items]      
Long-term debt 174,798,000   174,594,000
Short-term Debt      
Debt Instrument [Line Items]      
Principal amount 344,117,000   359,407,000
Debt $ 344,117,000   359,407,000
5.25% Notes due June 1, 2024      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 5.25%    
Write-off of deferred financings costs $ 4,437,000    
Incremental Term Loan B-3 | Secured Debt [Member]      
Debt Instrument [Line Items]      
Principal amount 0   521,744,000
Credit facility 0   520,988,000
Incremental Term Loan B-5 | Secured Debt [Member]      
Debt Instrument [Line Items]      
Principal amount $ 2,880,000,000   2,887,500,000
Stated interest rate 7.94%    
Credit facility $ 2,869,447,000   2,876,131,000
Loans Payable      
Debt Instrument [Line Items]      
Principal amount 174,798,000   174,594,000
Long-term debt     174,594,000
CSC Holdings Revolving Credit Facility | Revolving Credit Facility      
Debt Instrument [Line Items]      
Principal amount $ 1,600,000,000   825,000,000
Stated interest rate 7.678%    
Line of Credit Facility, Maximum Borrowing Capacity $ 2,475,000    
Credit facility 1,596,861,000   821,632,000
Repayments of line of credit $ 125,000    
Secured Debt [Member] | 5.5% Notes due April 15, 2027      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 5.50%    
Principal amount $ 1,310,000,000   1,310,000,000
Secured Debt [Member] | 5.375% Senior Guaranteed Notes Due February 1, 2028      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 5.375%    
Principal amount $ 1,000,000,000   1,000,000,000
Secured Debt [Member] | 8.0% Notes due April 15, 2020      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 3.375%    
Principal amount $ 1,000,000,000   1,000,000,000
Secured Debt [Member] | CSC Holdings 6.500% Notes due February 1, 2029      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 6.50%    
Principal amount $ 1,750,000,000   1,750,000,000
Secured Debt [Member] | CSC Holdings 11.7400% Senior Guaranteed Notes due Jan 31, 2029      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 11.75%    
Principal amount $ 2,050,000,000    
Long-term Debt      
Debt Instrument [Line Items]      
Principal amount 24,774,354,000   24,767,198,000
Long-term debt, net of current maturities 24,717,702,000   24,715,554,000
Senior Notes | 5.25% Notes due June 1, 2024      
Debt Instrument [Line Items]      
Principal amount     750,000,000
Outstanding debt $ 0   742,746,000
Senior Notes | CSC Holdings 7.500% Notes due April 1, 2028      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 7.50%    
Principal amount $ 1,045,882,000   1,045,882,000
Outstanding debt $ 1,044,982,000   1,044,933,000
Senior Notes | Cablevision 7.500% Notes due April 1, 2028      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 7.50%    
Principal amount $ 4,118,000   4,118,000
Outstanding debt $ 4,115,000   4,114,000
Senior Notes | CSC Holdings 5.750% Notes due January 15, 2030      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 5.75%    
Principal amount $ 2,250,000,000   2,250,000,000
Outstanding debt $ 2,274,997,000   $ 2,275,915,000