Consolidated Statement of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating revenues
Total operating revenues	$ 1,349	$ 1,311	$ 2,664	$ 2,629
Operating expenses
Selling, general and administrative	427	416	837	804
Depreciation, amortization and accretion	229	234	456	457
Loss on impairment of licenses	3	0	3	0
(Gain) loss on asset disposals, net	7	3	9	8
(Gain) loss on sale of business and other exit costs, net	0	0	0	(1)
Total operating expenses	1,286	1,253	2,506	2,461
Operating income	63	58	158	168
Investment and other income (expense)
Equity in earnings of unconsolidated entities	38	48	83	90
Interest and dividend income	5	3	7	6
Interest expense	(40)	(86)	(72)	(138)
Other, net	0	0	0	(1)
Total investment and other income (expense)	3	(35)	18	(43)
Income before income taxes	66	23	176	125
Income tax expense (benefit)	27	(11)	65	20
Net income	39	34	111	105
Less: Net income attributable to noncontrolling interests, net of tax	4	7	15	19
Net income attributable to TDS shareholders	35	27	96	86
TDS Preferred Share dividends	17	7	35	9
Net income attributable to TDS common shareholders	$ 18	$ 20	$ 61	$ 77
Basic weighted average shares outstanding (in shares)	115	115	115	115
Basic earnings per share attributable to TDS common shareholders (in dollars per share)	$ 0.15	$ 0.18	$ 0.53	$ 0.67
Diluted weighted average shares outstanding (in shares)	116	116	116	116
Diluted earnings per share attributable to TDS common shareholders (in dollars per share)	$ 0.15	$ 0.17	$ 0.52	$ 0.65
Service
Operating revenues
Total operating revenues	$ 1,064	$ 1,049	$ 2,125	$ 2,091
Operating expenses
Cost of goods and services	312	324	611	623
Equipment and product sales
Operating revenues
Total operating revenues	285	262	539	538
Operating expenses
Cost of goods and services	$ 308	$ 276	$ 590	$ 570