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Intangible Assets (Details) - Licenses - USD ($) $ in Millions | 9 Months Ended
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Sep. 30, 2016
Licenses |  |
Balance, beginning of period | [1] | $ 1,844
Acquisitions |  | 46
Transferred to Assets held for sale |  | (16)
Exchange - Licenses received |  | 12
Exchange - Licenses surrendered |  | (10)
Balance, end of period |  | 1,876
Total winning bid |  | $ 338
[1] | Amounts include payments totaling $338 million made by Advantage Spectrum L.P to the FCC for licenses in which it was the provisional winning bidder in Auction 97. These licenses were granted by the FCC in July 2016. See Note 9 — Variable Interest Entities for additional information.

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- Definition The increase (decrease) during the period in book value of long-lived assets that the reporting entity plans to sell within one year (or one business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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