Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Licenses

Activity related to UScellular's Licenses is presented below.

	2020		2019
(Dollars in millions)
Balance at beginning of year	$	2,471	$	2,186
Acquisitions	171		267
Divestitures	(18)		(10)
Exchanges - Licenses received	—		26
Capitalized interest	5		2
Balance at end of year	$	2,629	$	2,471