Description of Plan (Details) - EBP 003 - USD ($)		12 Months Ended
Jan. 01, 2026	Dec. 31, 2025
EBP, Description of Plan [Line Items]
Maximum annual compensation to total compensation, percentage		60.00%
Deferral rate		6.00%
Deferral rate annual increase		1.00%
Forfeited non-vested account balances		$ 500,000
Participant contributions vesting percentage		100.00%
Minimum borrowing amount		$ 1,000
Maximum borrowing amount		$ 50,000
Maximum borrowing percentage		50.00%
Spread on prime rate		1.00%
Termination after age 65, death or disability
EBP, Description of Plan [Line Items]
Employer match contributions vesting percentage		100.00%
TDS and Array Common Stock
EBP, Description of Plan [Line Items]
Participant maximum contribution percentage		20.00%
Plan termination
EBP, Description of Plan [Line Items]
Vesting percentage		100.00%
Partial plan termination
EBP, Description of Plan [Line Items]
Vesting percentage		100.00%
Maximum
EBP, Description of Plan [Line Items]
Deferral rate		15.00%
Borrowing term		5 years
Minimum
EBP, Description of Plan [Line Items]
Borrowing term		1 year
Partial distribution		$ 500
One year of vesting service
EBP, Description of Plan [Line Items]
Employer match contributions vesting percentage		34.00%
Vesting, requisite service period		1 year
Two years of vesting service
EBP, Description of Plan [Line Items]
Employer match contributions vesting percentage		100.00%
Vesting, requisite service period		2 years
First 3% Contributed
EBP, Description of Plan [Line Items]
Matching percentage		100.00%
Participant contributions eligible for employer match		3.00%
First 3% Contributed \| Subsequent Event
EBP, Description of Plan [Line Items]
Matching percentage	100.00%
Participant contributions eligible for employer match	3.00%
Next 2% Contributed
EBP, Description of Plan [Line Items]
Matching percentage		40.00%
Participant contributions eligible for employer match		2.00%
Next 3% Contributed \| Subsequent Event
EBP, Description of Plan [Line Items]
Matching percentage	55.00%
Participant contributions eligible for employer match	3.00%

EBP Employer Contribution Vesting Percentage

No definition available.

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Namespace Prefix:	tds_
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Balance Type:	na
Period Type:	instant

- Definition

EBP, Employer Contribution Vesting Requisite Service Period

+ References

No definition available.

+ Details

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Namespace Prefix:	tds_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Note Receivable From Participant Repayment Term

+ References

No definition available.

+ Details

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Namespace Prefix:	tds_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Partial Distribution

+ References

No definition available.

+ Details

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

- Definition

EBP, Participant Contribution Annual Automatic Deferral Rate Increase

+ References

No definition available.

+ Details

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Namespace Prefix:	tds_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP Participant Contribution Pre Tax and After Tax Maximum Annual Compensation to Total Compensation Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	tds_
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Period Type:	instant

- Definition

EBP, Participant Contribution Specific Fund Selection Maximum Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	tds_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

EBP Participant Contribution Vesting Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	tds_
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Balance Type:	na
Period Type:	instant

- Definition

EBP, Participant Loan Basis Spread on Variable Rate

+ References

No definition available.

+ Details

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Namespace Prefix:	tds_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

EBP Vesting Percentage

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-SubTopic 205
-Topic 962
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

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Namespace Prefix:	us-gaap-ebp_
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Balance Type:	na
Period Type:	duration

- Definition

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
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Balance Type:	na
Period Type:	duration

- Definition

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

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

- Definition

Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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

- Definition

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

+ References

+ Details

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- Definition

Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
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Balance Type:	na
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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