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Intangible Assets - Schedules (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Licenses |  |  |
Loss on impairment of licenses | $ 3 | $ 0 | $ 0
Finite-Lived Intangible Assets |  |  |
Gross Amount | 316 | 288 |
Accumulated Amortization | (112) | (91) |
Net Amount | 204 | 197 |
Franchise rights |  |  |
Finite-Lived Intangible Assets |  |  |
Gross Amount | 255 | 255 |
Accumulated Amortization | (85) | (68) |
Net Amount | 170 | 187 |
Customer lists |  |  |
Finite-Lived Intangible Assets |  |  |
Gross Amount | 26 | 27 |
Accumulated Amortization | (25) | (23) |
Net Amount | 1 | 4 |
Internet protocol addresses |  |  |
Finite-Lived Intangible Assets |  |  |
Gross Amount | 34 | 5 |
Accumulated Amortization | (2) | 0 |
Net Amount | 32 | 5 |
Other |  |  |
Finite-Lived Intangible Assets |  |  |
Gross Amount | 1 | 1 |
Accumulated Amortization | 0 | 0 |
Net Amount | 1 | 1 |
UScellular |  |  |
Licenses |  |  |
Loss on impairment of licenses | 3 |  |
TDS Telecom |  |  |
Licenses |  |  |
Loss on impairment of licenses | 0 |  |
Licenses |  |  |
Licenses |  |  |
Balance, beginning of period | 4,097 | 2,638 |
Acquisitions | 595 | 1,464 |
Loss on impairment of licenses | (3) |  |
Transferred to Assets held for sale | 1 | (18) |
Exchanges - Licenses received | 1 |  |
Capitalized interest | 8 | 13 |
Balance, end of period | 4,699 | 4,097 | 2,638
Licenses | UScellular |  |  |
Licenses |  |  |
Balance, beginning of period | 4,092 | 2,633 |
Acquisitions | 595 | 1,464 |
Loss on impairment of licenses | (3) |  |
Transferred to Assets held for sale | 1 | (18) |
Exchanges - Licenses received | 1 |  |
Capitalized interest | 8 | 13 |
Balance, end of period | 4,694 | 4,092 | 2,633
Licenses | TDS Telecom |  |  |
Licenses |  |  |
Balance, beginning of period | 5 | 5 |
Acquisitions | 0 | 0 |
Loss on impairment of licenses | 0 |  |
Transferred to Assets held for sale | 0 | 0 |
Exchanges - Licenses received | 0 |  |
Capitalized interest | 0 | 0 |
Balance, end of period | $ 5 | $ 5 | $ 5

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