Asset Groups

No definition available.

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- Definition

Amount of Business divestiture agreement.

+ References

No definition available.

+ Details

Name:	tds_BusinessDivestitureAgreementAmount
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- Definition

Amount of debt assumed under a business divestiture agreement.

+ References

No definition available.

+ Details

Name:	tds_BusinessDivestitureAgreementAssumptionOfDebt
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Data Type:	xbrli:monetaryItemType
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- Definition

For contingent consideration arrangements recognized in connection with a business divestiture, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

No definition available.

+ Details

Name:	tds_BusinessDivestitureContingentConsiderationArrangementsRangeOfOutcomesValueHigh
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Period Type:	instant

- Definition

Divestiture of Intangible Assets Agreement Amount

+ References

No definition available.

+ Details

Name:	tds_DivestitureOfIntangibleAssetsAgreementAmount
Namespace Prefix:	tds_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Expenses related to the company's strategic alternative review of UScellular.

+ References

No definition available.

+ Details

Name:	tds_ExpensesRelatedToStrategicAlternativesReview
Namespace Prefix:	tds_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Fair value of the net written call option.

+ References

No definition available.

+ Details

Name:	tds_PutCallOptionAmountFairValue
Namespace Prefix:	tds_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-1B

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(15))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- Details

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- Details

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- Details

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- Details

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Divestitures (Details) $ in Millions	12 Months Ended
Divestitures (Details) $ in Millions	Dec. 31, 2024 USD ($) asset_group	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Acquisitions, divestitures and exchanges
Licenses	$ 4,588	$ 4,702
Expenses related to strategic alternatives review	56	13
Cash received from divestitures	147	1	$ 8
(Gain) loss on sale of business and other exit costs, net	(68)	$ 0	$ (1)
OneNeck
Acquisitions, divestitures and exchanges
Business divestiture agreement amount	101
Cash received from divestitures	91
(Gain) loss on sale of business and other exit costs, net	(19)
Contingent proceeds	9
UScellular Total
Acquisitions, divestitures and exchanges
Business divestiture agreement amount	4,400
UScellular Total \| Noncontrolling interests
Acquisitions, divestitures and exchanges
Business divestiture agreement amount	400
UScellular Total \| Contingent consideration
Acquisitions, divestitures and exchanges
Business divestiture agreement amount	100
UScellular Total \| Verizon Purchase Agreement
Acquisitions, divestitures and exchanges
License sale agreement amount	1,000
Licenses	586
UScellular Total \| AT&T Purchase Agreement
Acquisitions, divestitures and exchanges
License sale agreement amount	1,018
Licenses	859
UScellular Total \| AT&T Purchase Agreement \| Noncontrolling interests
Acquisitions, divestitures and exchanges
License sale agreement amount	232
UScellular Total \| Maximum
Acquisitions, divestitures and exchanges
Amount of debt assumed under a business divestiture agreement	2,000
UScellular Total \| Put/Call Agreement
Acquisitions, divestitures and exchanges
Business divestiture agreement amount	106
Put/call amount/ fair value	$ 5
TDS Telecom
Acquisitions, divestitures and exchanges
Asset groups \| asset_group	1
TDS Telecom \| Virginia incumbent markets
Acquisitions, divestitures and exchanges
Business divestiture agreement amount	$ 31
(Gain) loss on sale of business and other exit costs, net	(22)
TDS Telecom \| Texas cable operations
Acquisitions, divestitures and exchanges
Business divestiture agreement amount	27
(Gain) loss on sale of business and other exit costs, net	$ (27)
UScellular
Acquisitions, divestitures and exchanges
Asset groups \| asset_group	2