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Consolidated Statement Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (231)	$ 16	$ (176)	$ 58
Change related to retirement plan
Amortization of prior service cost			(1)	(1)
Change in deferred income taxes				1
Comprehensive income (loss)	(231)	16	(177)	58
Less: Net income (loss) attributable to noncontrolling interests, net of tax	(50)	3	(42)	9
Comprehensive income (loss) attributable to TDS shareholders	$ (181)	$ 13	$ (135)	$ 49

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

+ References

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Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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