SUPPLEMENTAL CASH FLOW INFORMATION (Tables)

12 Months Ended

Dec. 31, 2025

Supplemental Cash Flow Elements [Abstract]

Non-Cash Investing and Financing Activities and Other Supplemental Data

non-cash investing and financing activities and other supplemental data were as follows:

	Years Ended December 31,
	2025		2024		2023
Non-Cash Investing and Financing Activities:
Optimum Communications and CSC Holdings:
Capital expenditures accrued but unpaid	$	269,438	$	331,826	$	317,000
Vendor financed capital additions	3,218		34,883		—
Notes payable for the purchase of equipment and other assets	—		50,642		213,325
Right-of-use assets acquired in exchange for finance lease obligations	63,498		44,356		133,056
Additions to other intangible assets	8,356		—		—
Payable relating to acquisition of noncontrolling interest	—		—		7,036
Contingent consideration related to acquisitions	—		11,474		—
Other non-cash investing and financing transactions	—		—		249
Principal amount of Incremental Term Loan B-7 issued	2,000,000		—		—
Principal amount of Incremental Term Loan B-7 redeemed	(2,000,000)		—		—
Transfer of i24 NEWS to an entity under common control	(9,513)		—		—
CSC Holdings:
Contributions from parent, net	43		5,794		8,183
Supplemental Data:
Optimum Communications and CSC Holdings:
Cash interest paid, net of capitalized interest of $—, $2,720 and $15,830, respectively	1,781,107		1,619,970		1,582,646
CSC Holdings:
Cash interest paid relating to a note payable to Captive (see Note 16)	5,234		1,460		—

Restrictions on Cash and Cash Equivalents

Reconciliation of cash, cash equivalents and restricted cash:

	Years Ended December 31,
	2025		2024
Optimum Communications:
Cash and cash equivalents	$	1,012,201	$	256,534
Restricted cash, short-term (see Note 11)	107,384		290
Restricted cash, long-term, included within the line item “other assets” (see Note 11)	21,858		—
Total cash, cash equivalents and restricted cash	$	1,141,443	$	256,824

	Years Ended December 31,
	2025		2024
CSC Holdings:
Cash and cash equivalents	$	1,001,919	$	246,326
Restricted cash, short-term (see Note 11)	107,384		290
Restricted cash, long-term, included within the line item “other assets” (see Note 11)	21,858		—
Total cash, cash equivalents and restricted cash	$	1,131,161	$	246,616