Consolidated Statement of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating revenues
Total operating revenues	$ 1,027	$ 1,031	$ 2,964	$ 2,970
Operating expenses
Selling, general and administrative	335	358	994	1,027
Depreciation, amortization and accretion	161	181	516	524
(Gain) loss on asset disposals, net	6	5	14	13
(Gain) loss on sale of business and other exit costs, net	0	0	0	(1)
(Gain) loss on license sales and exchanges, net	0	2	0	0
Total operating expenses	962	1,011	2,796	2,855
Operating income	65	20	168	115
Investment and other income (expense)
Equity in earnings of unconsolidated entities	48	44	137	128
Interest and dividend income	2	4	6	14
Gain (loss) on investments	3	0	3	0
Interest expense	(29)	(29)	(76)	(87)
Total investment and other income	24	19	70	55
Income before income taxes	89	39	238	170
Income tax expense	4	15	11	55
Net income	85	24	227	115
Less: Net income attributable to noncontrolling interests, net of tax	0	1	3	6
Net income attributable to UScellular shareholders	$ 85	$ 23	$ 224	$ 109
Basic weighted average shares outstanding (in shares)	86	86	86	87
Basic earnings per share attributable to UScellular shareholders (USD per share)	$ 0.98	$ 0.27	$ 2.60	$ 1.26
Diluted weighted average shares outstanding (in shares)	88	88	87	88
Diluted earnings per share attributable to UScellular shareholders (in shares)	$ 0.97	$ 0.27	$ 2.56	$ 1.24
Service
Operating revenues
Total operating revenues	$ 775	$ 774	$ 2,290	$ 2,272
Operating expenses
Cost of equipment sold	203	199	580	568
Equipment sales
Operating revenues
Total operating revenues	252	257	674	698
Operating expenses
Cost of equipment sold	$ 257	$ 266	$ 692	$ 724