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Changes in Carrying Amount of Wireless Licenses (Detail) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | ||
|---|---|---|---|
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Jun. 30, 2014
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Dec. 31, 2013
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Jun. 30, 2014
Wireless Licenses
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| Indefinite-lived Intangible Assets [Line Items] | |||
| Beginning balance | $ 75,270 | $ 75,747 | $ 75,747 |
| Acquisitions (Note 2) | 141 | ||
| Dispositions (Note 2) | (1,978) | ||
| Capitalized interest on wireless licenses | 138 | ||
| Reclassifications, adjustments and other | 1,222 | ||
| Ending balance | $ 75,270 | $ 75,747 | $ 75,270 |
| X | ||||||||||
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- Definition
Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, resulting from a business combination. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of increase (decrease) of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of decrease in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, resulting from a disposition. No definition available.
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