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Intangible Assets (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2016 USD ($)
Licenses |  |
Balance, beginning of period | $ 1,844 | [1]
Transferred to Assets held for sale | 26 |
Balance, end of period | 1,818 | [1]
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 have not yet been granted by the FCC. See Note 8 — Variable Interest Entities for additional information.

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- Definition The total winning bid amount in a FCC license auction. + References No definition available. + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + 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=26713463&loc=d3e16323-109275 + Details
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