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Intangible Assets Intangible Assets (Goodwill) (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
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Sep. 30, 2014
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Sep. 30, 2014
SIRIUS XM
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Dec. 31, 2013
SIRIUS XM
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Sep. 30, 2014
Others [Member]
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| Goodwill [Roll Forward] | ||||
| Goodwill, Beginning Balance | $ 14,365 | $ 14,165 | $ 14,165 | $ 200 |
| Goodwill, Acquired During Period | 26 | 26 | ||
| Goodwill, Ending Balance | $ 14,391 | $ 14,165 | $ 14,165 | $ 226 |
| X | ||||||||||
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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