INCOME TAXES - Income Tax Expense (Benefit) Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Tax [Line Items]
Income Tax Expense (Benefit)	$ (38,671)	$ (47,647)	$ (83,779)	$ (63,611)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(320,800)	(135,633)	(3,242,884)	(222,868)
CSC Holdings
Income Tax [Line Items]
Income Tax Expense (Benefit)	(39,292)	(48,760)	(85,041)	(65,212)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (323,756)	$ (141,778)	$ (3,248,892)	$ (231,947)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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+ Details