| 
           Intangible Assets (Details 1) 
         | 
        9 Months Ended | |||||
|---|---|---|---|---|---|---|
| 
           Sep. 30, 2014 
         | 
      ||||||
| 
           SIRIUS FM-1 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | 2017 | |||||
| 
           SIRIUS FM-2 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | 2017 | |||||
| 
           SIRIUS FM-3 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | 2017 | |||||
| 
           SIRIUS FM-5 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | 2017 | |||||
| 
           SIRIUS FM-6 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | [1] | |||||
| Expected FCC license expiration term from date of launch | 8 years | |||||
| 
           XM-1 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | [2] | |||||
| 
           XM-2 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | [2] | |||||
| 
           XM-3 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | 2021 | |||||
| 
           XM-4 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | 2022 | |||||
| 
           XM-5 [Member] 
         | 
        ||||||
| Years in which licenses expires | ||||||
| Year in which our FCC license expires | 2018 | |||||
          
  | 
      ||||||