PROPERTY, PLANT AND EQUIPMENT - Summary (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	$ 18,187,349	$ 17,176,646
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	18,187,349	17,176,646
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(9,835,958)	(8,762,014)
Property, plant and equipment, net	8,351,391	8,414,632
Customer premise equipment
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	2,575,136	2,404,889
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,575,136	2,404,889
Equipment and software
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	1,791,700	1,607,236
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,791,700	1,607,236
Construction in progress (including materials and supplies)
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	310,533	328,033
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	310,533	328,033
Leasehold improvements
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	206,608	198,449
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	206,608	198,449
Land
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	50,643	50,014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	50,643	50,014
Headends and related equipment
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	2,530,890	2,475,499
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,530,890	2,475,499
Infrastructure
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	9,854,837	9,298,328
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	9,854,837	9,298,328
Furniture and fixtures
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	84,586	82,150
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	84,586	82,150
Transportation equipment
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	180,389	139,627
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	180,389	139,627
Buildings and building improvements
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	602,027	592,421
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 602,027	$ 592,421