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Acquisitions, Divestitures and Exchanges, acquisitions (Details) $ in Millions | Mar. 31, 2016 USD ($)
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U.S. Cellular | License Acquisitions | Aggregate license acquisitions |
Acquisitions, divestitures and exchanges |
License acquisition agreement amount | $ 54

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- Definition Amount of agreement to acquire an indefinite-lived intangible asset, either individually or as part of a group. + References No definition available. + Details
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Namespace Prefix: | tds_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Balance Type: | na
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_BusinessAcquisitionAxis=tds_LicensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |