| 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 | | | — | | | | | | | | | | | | | | | | | | | | | | | |
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| 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 | |
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