Annual report pursuant to Section 13 and 15(d)

Benefit Plans (Details Textual)

v2.4.0.8
Benefit Plans (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
plans
Dec. 31, 2012
Dec. 31, 2011
Benefits Plans (Textual) [Abstract]      
Share-based compensation expense $ 68,876 $ 63,822 $ 53,190
Share-based compensation expense, 2011     51,622
Stock-based awards expiration term 10 years    
Restricted stock conversion to common stock 1    
Common stock available for future grants 82,806,000    
Number of other share-based benefit plans 4    
Third Parties [Member]
      
Benefits Plans (Textual) [Abstract]      
Granted, options (in shares) 0 0 0
Granted, shares 0 0 0
Employee Stock Option [Member]
      
Benefits Plans (Textual) [Abstract]      
Share-based compensation expense 66,231 60,299  
Share-based compensation expense, 2011     48,038
Granted, options (in shares) 57,228,000 58,626,000 77,450,000
Weighted average grant date fair value of options granted (in dollars per share) $ 1.48 $ 1.09 $ 1.04
Total intrinsic value of stock options exercised 142,491 399,794 13,408
Exercise of stock options and vesting of restricted stock units (in shares) 32,649,857    
Restricted Stock Units (RSUs) [Member]
      
Benefits Plans (Textual) [Abstract]      
Share-based compensation expense 2,645 0  
Total intrinsic value of restricted stock units that vested 605 0  
Weighted average grant date fair value of restricted stock units granted (in dollars per share) $ 3.59 $ 0.00  
Granted, shares 6,873,000 8,000  
Restricted Stock and Restricted Stock Units RSU [Member]
      
Benefits Plans (Textual) [Abstract]      
Share-based compensation expense, 2011     543
Total intrinsic value of restricted stock units that vested     3,178
Weighted average grant date fair value of restricted stock units granted (in dollars per share)     $ 0.00
Granted, shares     0
Restricted Stock Units RSU and Stock Options [Member]
      
Benefits Plans (Textual) [Abstract]      
Total unrecognized compensation costs related to unvested share based payment awards for restricted stock units, net of estimated forfeitures 164,292 129,010  
Weighted average expected period for recognition of compensation expenses 3 years    
Sirius XM Savings Plan [Member]
      
Benefits Plans (Textual) [Abstract]      
Share-based compensation expense   3,523  
Share-based compensation expense, 2011     3,041
Minimum of employee contributions of pre-tax eligible earnings to Company 401(k) Savings Plan 1.00%    
Maximum of employee contributions of pre-tax eligible earnings to Company 401(k) Savings Plan 50.00%    
Percent of Company match of employee's voluntary contributions 50.00%    
Percent of employee's pre-tax salary 6.00%    
Vesting percentage of employer contributions for each year of employment 33.33%    
Savings plan, fully vested period 3 years    
Contributions by employer $ 4,181