v3.24.1.u1
DEBT - Credit Silo Combination (Details) - USD ($)
Mar. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Principal amount $ 25,118,471,000 $ 25,126,605,000
Face Amount of Senior Notes 6,125,000,000 6,875,000,000
Carrying amount of Senior Notes 6,180,703,000 6,925,311,000
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
Long-term debt 25,061,819,000 25,074,961,000
Finance Lease, Liability 201,250,000 228,356,000
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
Cablevision Lightpath    
Debt Instrument [Line Items]    
Carrying amount of Senior Notes and Senior Secured Notes 1,425,177,000 1,425,444,000
Face Amount of Senior Notes and Senior Secured Notes 1,445,500,000 1,447,000,000
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
Credit facility    
Debt Instrument [Line Items]    
Principal amount 56,019,000 61,177,000
Debt   61,177,000
Incremental Term Loan B-3 | Secured Debt [Member]    
Debt Instrument [Line Items]    
Principal amount 0 521,744,000
Credit facility $ 0 520,988,000
5.25% Notes due June 1, 2024    
Debt Instrument [Line Items]    
Stated interest rate 5.25%  
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%  
Credit facility $ 1,596,861,000 821,632,000
CSC Holdings Term Loan B | Secured Debt [Member]    
Debt Instrument [Line Items]    
Principal amount 0 1,520,483,000
Credit facility 0 1,518,530,000
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
Cablevision Lightpath Term B Loan | Secured Debt [Member]    
Debt Instrument [Line Items]    
Principal amount $ 580,500,000 582,000,000
Stated interest rate 8.69%  
Credit facility $ 571,011,000 571,898,000
Cablevision Lightpath Revolving Credit Facility | Revolving Credit Facility    
Debt Instrument [Line Items]    
Principal amount 0 0
Credit facility 0 0
Incremental Term Loan B-6 | Secured Debt [Member]    
Debt Instrument [Line Items]    
Principal amount $ 1,981,923,000 1,986,928,000
Stated interest rate 9.825%  
Credit facility $ 1,945,521,000 1,948,503,000
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 | Cablevision 7.500% Notes due April 1, 2028    
Debt Instrument [Line Items]    
Principal amount 4,118,000 4,118,000
Outstanding debt $ 4,115,000 4,114,000
Stated interest rate 7.50%  
Senior Notes | CSC Holdings 7.500% Notes due April 1, 2028    
Debt Instrument [Line Items]    
Principal amount $ 1,045,882,000 1,045,882,000
Outstanding debt $ 1,044,982,000 1,044,933,000
Stated interest rate 7.50%  
Senior Notes | CSC Holdings 5.750% Notes due January 15, 2030    
Debt Instrument [Line Items]    
Principal amount $ 2,250,000,000 2,250,000,000
Outstanding debt $ 2,274,997,000 2,275,915,000
Stated interest rate 5.75%  
Senior Notes | CSC Holdings 4.625% Notes due December 1, 2030    
Debt Instrument [Line Items]    
Principal amount $ 2,325,000,000 2,325,000,000
Outstanding debt $ 2,358,046,000 2,359,078,000
Stated interest rate 4.625%  
Senior Notes | Cablevision Lightpath LLC 5.625% Notes due September 15, 2028    
Debt Instrument [Line Items]    
Principal amount $ 415,000,000 415,000,000
Outstanding debt $ 409,407,000 409,136,000
Stated interest rate 5.625%  
Senior Notes | CSC Holdings 5.000% Notes due November 15, 2031    
Debt Instrument [Line Items]    
Principal amount $ 500,000,000 500,000,000
Outstanding debt $ 498,563,000 498,525,000
Stated interest rate 5.00%  
Secured Debt [Member] | 8.0% Notes due April 15, 2020    
Debt Instrument [Line Items]    
Principal amount $ 1,000,000,000 1,000,000,000
Stated interest rate 3.375%  
Secured Debt [Member] | 5.5% Notes due April 15, 2027    
Debt Instrument [Line Items]    
Principal amount $ 1,310,000,000 1,310,000,000
Stated interest rate 5.50%  
Secured Debt [Member] | 5.375% Senior Guaranteed Notes Due February 1, 2028    
Debt Instrument [Line Items]    
Principal amount $ 1,000,000,000 1,000,000,000
Stated interest rate 5.375%  
Secured Debt [Member] | CSC Holdings 6.500% Notes due February 1, 2029    
Debt Instrument [Line Items]    
Principal amount $ 1,750,000,000 1,750,000,000
Stated interest rate 6.50%  
Secured Debt [Member] | CSC Holdings 4.125% Notes due December 1, 2030    
Debt Instrument [Line Items]    
Principal amount $ 1,100,000,000 1,100,000,000
Stated interest rate 4.125%  
Secured Debt [Member] | Cablevision Lightpath LLC 3.875% Notes due September 15, 2027    
Debt Instrument [Line Items]    
Principal amount $ 450,000,000 450,000,000
Outstanding debt $ 444,759,000 444,410,000
Stated interest rate 3.875%  
Secured Debt [Member] | CSC Holdings 4.500% Senior Guaranteed Notes due November 15, 2021    
Debt Instrument [Line Items]    
Principal amount $ 1,500,000,000 1,500,000,000
Stated interest rate 4.50%  
Secured Debt [Member] | CSC Holdings 11.2500% Senior Guaranteed Notes due May 15, 2028    
Debt Instrument [Line Items]    
Principal amount $ 1,000,000,000 1,000,000,000
Stated interest rate 11.25%  
Secured Debt [Member] | CSC Holdings 11.7400% Senior Guaranteed Notes due Jan 31, 2029    
Debt Instrument [Line Items]    
Principal amount $ 2,050,000,000  
Stated interest rate 11.75%  
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 Subordinated Notes | 8.0% Notes due April 15, 2020    
Debt Instrument [Line Items]    
Outstanding debt 997,631,000 997,556,000
Senior Subordinated Notes | 5.5% Notes due April 15, 2027    
Debt Instrument [Line Items]    
Outstanding debt 1,307,868,000 1,307,709,000
Senior Subordinated Notes | 5.375% Senior Guaranteed Notes Due February 1, 2028    
Debt Instrument [Line Items]    
Outstanding debt 996,162,000 995,940,000
Senior Subordinated Notes | CSC Holdings 6.500% Notes due February 1, 2029    
Debt Instrument [Line Items]    
Outstanding debt 1,748,177,000 1,748,098,000
Senior Subordinated Notes | CSC Holdings 4.125% Notes due December 1, 2030    
Debt Instrument [Line Items]    
Outstanding debt 1,096,607,000 1,096,499,000
Senior Subordinated Notes | CSC Holdings 4.500% Senior Guaranteed Notes due November 15, 2021    
Debt Instrument [Line Items]    
Outstanding debt 1,495,715,000 1,495,598,000
Senior Subordinated Notes | CSC Holdings 11.2500% Senior Guaranteed Notes due May 15, 2028    
Debt Instrument [Line Items]    
Outstanding debt 994,334,000 $ 994,072,000
Senior Subordinated Notes | CSC Holdings 11.7400% Senior Guaranteed Notes due Jan 31, 2029    
Debt Instrument [Line Items]    
Outstanding debt $ 2,031,568,000