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Information About Â鶹×îгöÆ·'s Operating Segments (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Operating Activities And Reporting Information By Segment [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Revenue, Net | $ 1,095 | $ 1,184 | $ 1,160 | $ 1,011 | $ 1,025 | $ 1,110 | $ 1,078 | $ 789 | $ 4,450 | $ 4,002 | $ 368 |
| Adjusted OIBDA | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,417 | 1,322 | 8 |
| SIRIUS XM | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Operating Activities And Reporting Information By Segment [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Revenue, Net | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 4,141 | 3,625 | Ìý |
| Adjusted OIBDA | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,466 | 1,289 | Ìý |
| Corporate And Other | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Operating Activities And Reporting Information By Segment [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Revenue, Net | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 309 | 377 | 368 |
| Adjusted OIBDA | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ (49) | $ 33 | $ 8 |