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Intangible Assets (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2017
Licenses |
Licenses |
Licenses
(Dollars in millions) |  |
Balance December 31, 2016 | $ | 1,895
| Acquisitions |  | 331
| Transferred to Assets held for sale |  | (5)
| Exchanges - Licenses received |  | 18
| Exchanges - Licenses surrendered |  | (5)
Balance September 30, 2017 | $ | 2,234
Goodwill |
Goodwill |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |
| U.S. Cellular |  | Wireline |  | Cable |  | HMS |  | Total
(Dollars in millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance December 31, 2016 | $ | 227 |  | $ | 409 |  | $ | 95 |  | $ | 35 |  | $ | 766
| Acquisitions |  | – |  |  | – |  |  | 4 |  |  | – |  |  | 4
| Loss on impairment |  | (227) |  |  | – |  |  | – |  |  | (35) |  |  | (262)
Balance September 30, 2017 | $ | – |  | $ | 409 |  | $ | 99 |  | $ | – |  | $ | 508
Fair Value Inputs |
Fair Value Key Assumptions | The following table represents key assumptions used in estimating the fair value of the U.S. Cellular reporting unit as using the discounted cash flow approach.
Key assumptions |
Revenue growth rate | 0.8%
Terminal revenue growth rate | 2.0%
Discount rate | 9.5%
The following table represents key assumptions used in estimating the fair value of the HMS reporting unit using the discounted cash flow approach.
Key assumptions |
Revenue growth rate | 3.8%
Terminal revenue growth rate | 2.5%
Discount rate | 10.5%

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