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Intangible Assets (Details) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2017 USD ($)
TDS Telecom Cable |
Intangible assets, other disclosures |
Goodwill acquired during period | $ 4
Other intangible assets acquired | 1
Licenses |
Licenses |
Balance, beginning of period | 1,895
Acquisitions | 331
Transferred to Assets held for sale | (4)
Exchanges - Licenses received | 14
Exchanges - Licenses surrendered | (1)
Balance, end of period | $ 2,235

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