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Goodwill, Customer Relationships and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of goodwill and other intangible assets | Goodwill, customer relationships and other intangible assets consisted of the following:
| As of December 31,
| 2024 |  | 2023
| (Dollars in millions)
Goodwill(1) | $ | 1,964 |  |  | 1,964 |
Indefinite-lived intangible assets | $ | 9 |  |  | 9 |
Other intangible assets subject to amortization: |  |  |
Customer relationships(2), less accumulated amortization of $4,504 and $4,248 | 3,196 |  |  | 3,811 |
Capitalized software, less accumulated amortization of $4,067 and $4,045(3) | 1,529 |  |  | 1,564 |
Patents and other, less accumulated amortization of $86 and $72(3) | 72 |  |  | 86 |
Total other intangible assets, net | $ | 4,806 |  |  | 5,470 |
______________________________________________________________________ (1)We recorded cumulative non-cash, non-tax-deductible goodwill impairment charges of $10.7 billion during the year ended December 31, 2023. (2)For the year ended December 31, 2023, customer relationships decreased $121 million in conjunction with the sale of select CDN customer contracts, in the fourth quarter of 2023 that resulted in a net loss of $73 million included in selling, general and administrative expenses in our consolidated statements of operations. (3)Certain capitalized software with a gross carrying value of $352 million and $183 million and trade names with a gross carrying value of $153 million and $130 million became fully amortized during 2023 and 2022, respectively, and were retired during the first quarter of 2024 and 2023, respectively.
Schedule of cost of equity |
| As of October 31, 2022
| Reporting Units
| Mass Markets |  | NA Business |  | EMEA |  | APAC
Weighted average cost of capital | 9.4 | % |  | 9.4 | % |  | 9.8 | % |  | 11.3 | %
After-tax cost of debt | 4.7 | % |  | 4.7 | % |  | 5.1 | % |  | 6.3 | %
Cost of equity | 14.0 | % |  | 14.0 | % |  | 14.4 | % |  | 16.2 | %
Schedule of goodwill attributable to segments | The following table shows the rollforward of goodwill assigned to our reportable segments from December 31, 2022 through December 31, 2024.
| Business | Mass Markets | Total
| (Dollars in millions)
As of December 31, 2022(1) | $ | 7,906 |  | 4,751 |  | 12,657 |
Impairment | (7,906) |  | (2,787) |  | (10,693) |
As of December 31, 2023(1) | — |  | 1,964 |  | 1,964 |
As of December 31, 2024(1) | $ | — |  | 1,964 |  | 1,964 |
______________________________________________________________________ (1)Goodwill at December 31, 2024, December 31, 2023 and December 31, 2022 is net of accumulated impairment losses of $21.7 billion, $21.7 billion and $11.0 billion, respectively.
Schedule of estimated amortization expense for intangible assets | We estimate that future total amortization expense for finite-lived intangible assets will be as follows:
| (Dollars in millions)
2025 | $ | 926 |
2026 | 875 |
2027 | 788 |
2028 | 717 |
2029 | 488 |
2030 and thereafter | 1,003 |
Total finite-lived intangible assets future amortization expense | $ | 4,797 |

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