Consolidated Statement Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Operating revenues
Service	$ 988	$ 1,026	$ 2,976	$ 3,058
Equipment and product sales	263	288	760	805
Total operating revenues	1,251	1,314	3,736	3,863
Operating expenses
Cost of services (excluding Depreciation, amortization and accretion reported below)	294	305	874	891
Cost of equipment and products	291	321	848	921
Selling, general and administrative	422	440	1,246	1,299
Depreciation, amortization and accretion	209	214	632	636
Loss on impairment of goodwill	262	0	262	0
(Gain) loss on asset disposals, net	6	8	16	20
(Gain) loss on sale of business and other exit costs, net	(1)		(1)	(1)
(Gain) loss on license sales and exchanges, net		(7)	(19)	(16)
Total operating expenses	1,483	1,281	3,858	3,750
Operating income (loss)	(232)	33	(122)	113
Investment and other income (expense)
Equity in earnings of unconsolidated entities	35	38	101	109
Interest and dividend income	4	2	12	7
Interest expense	(43)	(42)	(128)	(127)
Other, net		(1)		1
Total investment and other income (expense)	(4)	(3)	(15)	(10)
Income (loss) before income taxes	(236)	30	(137)	103
Income tax expense (benefit)	(5)	14	39	45
Net income (loss)	(231)	16	(176)	58
Less: Net income (loss) attributable to noncontrolling interests, net of tax	(50)	3	(42)	9
Net income (loss) attributable to TDS shareholders	(181)	13	(134)	49
TDS Preferred dividend requirement	0
Net income available to TDS shareholders	$ (181)	$ 13	$ (134)	$ 49
Basic weighted average shares outstanding	111	110	111	110
Basic earnings (loss) per share available to TDS common shareholders	$ (1.64)	$ 0.12	$ (1.21)	$ 0.44
Diluted weighted average shares outstanding	111	111	111	111
Diluted earnings (loss) per share available to TDS common shareholders	$ (1.64)	$ 0.11	$ (1.21)	$ 0.44
Dividends per share to TDS shareholders	$ 0.155	$ 0.148	$ 0.465	$ 0.444