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Intangible Assets (Details) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2018 USD ($)
Licenses |
Balance at December 31, 2017 | $ 2,232
Balance at June 30, 2018 | 2,240
Licenses |
Licenses |
Balance at December 31, 2017 | 2,232
Acquisitions | 2
Transferred to Assets held for sale | (1)
Divestitures | (10)
Exchanges - Licenses received | 18
Exchanges - Licenses surrendered | (1)
Balance at June 30, 2018 | $ 2,240

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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=98514028&loc=d3e3602-108585 + Details
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an 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=66006027&loc=d3e16323-109275 + Details
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