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Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Licenses Activity related to TDS' Licenses is presented below.
 UScellularTDS TelecomTotal
(Dollars in millions)   
Balance at December 31, 2020$2,633 $$2,638 
Acquisitions1,464 — 1,464 
Transferred to Assets held for sale(18)— (18)
Capitalized interest13 — 13 
Balance at December 31, 20214,092 4,097 
Acquisitions595 — 595 
Impairment1
(3)— (3)
Transferred to Assets held for sale— 
Exchanges - Licenses received— 
Capitalized interest— 
Balance at December 31, 2022$4,694 $$4,699 
1Impairment 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, 2022December 31, 2021
Gross AmountAccumulated AmortizationNet AmountGross AmountAccumulated AmortizationNet Amount
(Dollars in millions)
Franchise rights$255 $(85)$170 $255 $(68)$187 
Customer lists26 (25)1 27 (23)
Internet protocol addresses34 (2)32 — 
Other1  1 — 
Total$316 $(112)$204 $288 $(91)$197