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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Licenses | Activity related to TDS' Licenses is presented below.
| UScellular |  | TDS Telecom |  | Total
(Dollars in millions) |  |  |  |  |
Balance at December 31, 2020 | $ | 2,633 |  |  | $ | 5 |  |  | $ | 2,638 |
Acquisitions | 1,464 |  |  | — |  |  | 1,464 |
Transferred to Assets held for sale | (18) |  |  | — |  |  | (18) |
Capitalized interest | 13 |  |  | — |  |  | 13 |
Balance at December 31, 2021 | 4,092 |  |  | 5 |  |  | 4,097 |
Acquisitions | 595 |  |  | — |  |  | 595 |
Impairment 1 | (3) |  |  | — |  |  | (3) |
Transferred to Assets held for sale | 1 |  |  | — |  |  | 1 |
Exchanges - Licenses received | 1 |  |  | — |  |  | 1 |
Capitalized interest | 8 |  |  | — |  |  | 8 |
Balance at December 31, 2022 | $ | 4,694 |  |  | $ | 5 |  |  | $ | 4,699 |
1 Impairment charge relates to licenses in markets where UScellular no longer expects to meet FCC buildout requirements.
Other intangible assets | Activity related to TDS' Other intangible assets is presented below.
| December 31, 2022 |  | December 31, 2021
| Gross Amount |  | Accumulated Amortization |  | Net Amount |  | Gross Amount |  | Accumulated Amortization |  | Net Amount
(Dollars in millions) |  |  |  |  |  |  |  |  |  |  |
Franchise rights | $ | 255 |  |  | $ | (85) |  |  | $ | 170 |  |  | $ | 255 |  |  | $ | (68) |  |  | $ | 187 |
Customer lists | 26 |  |  | (25) |  |  | 1 |  |  | 27 |  |  | (23) |  |  | 4 |
Internet protocol addresses | 34 |  |  | (2) |  |  | 32 |  |  | 5 |  |  | — |  |  | 5 |
Other | 1 |  |  | — |  |  | 1 |  |  | 1 |  |  | — |  |  | 1 |
Total | $ | 316 |  |  | $ | (112) |  |  | $ | 204 |  |  | $ | 288 |  |  | $ | (91) |  |  | $ | 197 |

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