v3.25.4
Restricted Group Condensed Income Statement (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Condensed Income Statements, Captions [Line Items]      
Revenue $ 8,590,467 $ 8,954,417 $ 9,237,064
Operating Income (Loss) (112,558) 1,680,092 1,701,940
Total other income (expense) (1,817,397) (1,762,440) (1,583,375)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest (1,929,955) (82,348) 118,565
Income tax benefit (expense) 96,908 4,071 (39,528)
Net income (loss) (1,833,047) (78,277) 79,037
Comprehensive income attributable to noncontrolling interests (35,977) (24,641) (25,839)
Net income (loss) attributable to CSC Holdings, LLC sole member (1,869,024) (102,918) 53,198
CSC Holdings      
Condensed Income Statements, Captions [Line Items]      
Revenue 8,590,467 8,954,417 9,237,064
Operating Expenses 8,713,078 7,276,139  
Operating Income (Loss) (122,611) 1,678,278 1,701,940
Total other income (expense) (1,822,943) (1,763,970) (1,583,375)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest (1,945,554) (85,692) 118,565
Income tax benefit (expense) 100,175 8,272 (42,577)
Net income (loss) (1,845,379) (77,420) 75,988
Comprehensive income attributable to noncontrolling interests (35,977) (24,641) (25,839)
Net income (loss) attributable to CSC Holdings, LLC sole member (1,881,356) (102,061) $ 50,149
CSC Holdings Restricted Group      
Condensed Income Statements, Captions [Line Items]      
Revenue 2,992,936 3,130,218  
Operating Expenses 4,278,337 2,707,778  
Operating Income (Loss) (1,285,401) 422,440  
Total other income (expense) (1,654,784) (1,666,602)  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest (2,940,185) (1,244,162)  
Income tax benefit (expense) 368,672 269,117  
Net income (loss) (2,571,513) (975,045)  
Comprehensive income attributable to noncontrolling interests 0 0  
Net income (loss) attributable to CSC Holdings, LLC sole member (2,571,513) (975,045)  
Unrestricted Group      
Condensed Income Statements, Captions [Line Items]      
Revenue 5,612,340 5,840,746  
Operating Expenses 4,449,550 4,584,908  
Operating Income (Loss) 1,162,790 1,255,838  
Total other income (expense) (163,207) (94,447)  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 999,583 1,161,391  
Income tax benefit (expense) (268,497) (260,845)  
Net income (loss) 731,086 900,546  
Comprehensive income attributable to noncontrolling interests (40,241) (27,562)  
Net income (loss) attributable to CSC Holdings, LLC sole member 690,845 872,984  
Consolidation, Eliminations      
Condensed Income Statements, Captions [Line Items]      
Revenue (14,809) (16,547)  
Operating Expenses (14,809) (16,547)  
Operating Income (Loss) 0 0  
Total other income (expense) (4,952) (2,921)  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest (4,952) (2,921)  
Income tax benefit (expense) 0 0  
Net income (loss) (4,952) (2,921)  
Comprehensive income attributable to noncontrolling interests 4,264 2,921  
Net income (loss) attributable to CSC Holdings, LLC sole member $ (688) $ 0