XML 42 R8.htm IDEA: XBRL DOCUMENT v3.21.2

Consolidated Statement of Changes in Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Stockholders' Equity (Parenthetical) [Abstract]
TDS Common and Series A Common Share dividends (in dollars per share)	$ 0.175	$ 0.17	$ 0.350	$ 0.340
TDS Preferred share dividends (in dollars per share)	$ 552.0833		$ 552.0833

X

- Definition

Statement of Stockholders' Equity (Parenthetical)

+ References

No definition available.

+ Details

Name:	tds_StatementofStockholdersEquityParentheticalAbstract
Namespace Prefix:	tds_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate dividends paid during the period for each share of preferred stock outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_PreferredStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration