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Noncontrolling Interests (Tables)

12 Months Ended

Dec. 31, 2020

Noncontrolling Interest [Abstract]

Noncontrolling interests

The following schedule discloses the effects of Net income attributable to TDS shareholders and changes in TDS’ ownership interest in UScellular on TDS’ equity:

Year Ended December 31,			2020						2019						2018
(Dollars in millions)
Net income attributable to TDS shareholders			$	226					$	121					$	135
Transfers (to) from noncontrolling interests
Change in TDS’ Capital in excess of par value from UScellular's issuance of UScellular shares			(38)						(23)						(30)
Change in TDS’ Capital in excess of par value from UScellular’s repurchases of UScellular shares			14						6						—
Purchase of ownership in subsidiaries from noncontrolling interests			(9)						—						—
Net transfers (to) from noncontrolling interests			(33)						(17)						(30)
Net income attributable to TDS shareholders after transfers (to) from noncontrolling interests			$	193					$	104					$	105

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- Definition

The tabular disclosure of the effects of any changes in a parent's ownership interest in a subsidiary on the equity attributable to the parent if the ownership interests in a subsidiary changes during the period. The changes represented by this element did not result in the deconsolidation of the subsidiary.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4M
-URI http://asc.fasb.org/extlink&oid=120409616&loc=SL4591554-111686

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration