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Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2017
Licenses |
Licenses | Activity related to Licenses and Goodwill for the nine months ended September 30, 2017, is presented below.
Licenses |  |
(Dollars in millions) |  |
Balance December 31, 2016 | $ | 1,886
| Acquisitions |  | 331
| Transferred to Assets held for sale |  | (5)
| Exchanges - Licenses received |  | 18
| Exchanges - Licenses surrendered |  | (5)
Balance September 30, 2017 | $ | 2,225
Goodwill |
Goodwill |
Goodwill |  |
(Dollars in millions) |  |
Balance December 31, 2016 | $ | 370
| Loss on impairment |  | (370)
Balance September 30, 2017 | $ | –
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 using the discounted cash flow approach.
Key assumptions |
Revenue growth rate | 0.8%
Terminal revenue growth rate | 2.0%
Discount rate | 9.5%

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- Definition Tabular disclosure of quantitative information about the inputs used in the fair value measurement of assets. This disclosure may include, but is not limited to, the fair value of the asset, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b),(d) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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