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Goodwill, Customer Relationships and Other Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill and Intangible Assets | Goodwill, customer relationships and other intangible assets consisted of the following:
| September 30, 2025 |  | December 31, 2024
| (Dollars in millions)
Goodwill(1) | $ | — |  |  | 1,964 |
Indefinite-lived intangible assets | $ | — |  |  | 9 |
Other intangible assets subject to amortization: |  |  |
Customer relationships, less accumulated amortization of $4,796 and $4,504(2) | 2,750 |  |  | 3,196 |
Capitalized software, less accumulated amortization of $3,853 and $4,067(2) | 1,599 |  |  | 1,529 |
Patents and other, less accumulated amortization of $96 and $86 | 62 |  |  | 72 |
Total other intangible assets, net | $ | 4,411 |  |  | 4,806 |
______________________________________________________________________ (1) As of September 30, 2025, this amount excluded goodwill classified as held for sale of approximately $1.3 billion. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business. (2) Certain customer relationships with a gross carrying value of $161 million and capitalized software with a gross carrying value of $211 million became fully amortized during 2024 and were retired during the first quarter of 2025.
Schedule of Goodwill Rollforward | The following table shows the rollforward of goodwill assigned to our reportable segments from December 31, 2024 to September 30, 2025.
| Business |  | Mass Markets |  | Total
| (Dollars in Millions)
As of December 31, 2024(1) | $ | — |  |  | 1,964 |  |  | 1,964 |
Impairment | — |  |  | (628) |  |  | (628) |
Reclassified as held for sale(2) | — |  |  | (1,336) |  |  | (1,336) |
As of September 30, 2025(1) | $ | — |  |  | — |  |  | — |
______________________________________________________________________ (1) Goodwill at September 30, 2025 and December 31, 2024 is net of accumulated impairment losses of $22.3 billion and $21.7 billion, respectively. (2) Reflects the $1.3 billion of goodwill, net of accumulated impairment loss, reclassified as held for sale related to our pending divestiture. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business

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