Consolidated Statement Of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating revenues
Total operating revenues	$ 3,770	$ 3,906	$ 4,169
Operating expenses
Selling, general and administrative	1,330	1,368	1,408
Depreciation, amortization and accretion	665	656	700
Loss on impairment of licenses	136	0	3
(Gain) loss on asset disposals, net	18	17	19
(Gain) loss on sale of business and other exit costs, net	0	0	(1)
(Gain) loss on license sales and exchanges, net	3	(2)	0
Total operating expenses	3,782	3,767	4,100
Operating income (loss)	(12)	139	69
Investment and other income (expense)
Equity in earnings of unconsolidated entities	161	158	158
Interest and dividend income	12	10	8
Interest expense	(183)	(196)	(163)
Total investment and other income (expense)	(10)	(28)	3
Income (loss) before income taxes	(22)	111	72
Income tax expense	10	53	37
Net income (loss)	(32)	58	35
Less: Net income attributable to noncontrolling interests, net of tax	7	4	5
Net income (loss) attributable to UScellular shareholders	$ (39)	$ 54	$ 30
Basic weighted average shares outstanding (in shares)	86	85	85
Basic earnings (loss) per share attributable to UScellular shareholders	$ (0.46)	$ 0.64	$ 0.35
Diluted weighted average shares outstanding (in shares)	86	87	86
Diluted earnings (loss) per share attributable to UScellular shareholders	$ (0.46)	$ 0.63	$ 0.35
Service
Operating revenues
Total operating revenues	$ 2,987	$ 3,044	$ 3,125
Operating expenses
Cost of goods and services sold	724	740	755
Equipment sales
Operating revenues
Total operating revenues	783	862	1,044
Operating expenses
Cost of goods and services sold	$ 906	$ 988	$ 1,216