Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details 1)

v2.3.0.15
Intangible Assets (Details 1)
 9 Months Ended
Sep. 30, 2011
SIRIUS FM-1 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2017
SIRIUS FM-2 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2017
SIRIUS FM-3 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2017
SIRIUS FM 4 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2017
SIRIUS FM-5 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2017
SIRIUS FM-6 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires  
Intangible Assets (Textual) [Abstract]  
Expected FCC License Expiration Description P8Y from launch
XM-1 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2014
XM-2 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2014
XM-3 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2013
XM-4 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2014
XM-5 satellite [Member]
  
Years in which licenses expires  
Year in which our FCC license expires 2018