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Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2020
Licenses  
Licenses
Activity related to Licenses for the nine months ended September 30, 2020, is presented below:
Licenses
(Dollars in millions)
Balance at December 31, 2019$2,480 
Acquisitions171 
Transferred to Assets held for sale(18)
Capitalized interest
Balance at September 30, 2020$2,637