Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Additional Information (Details)

v3.3.1.900
Benefit Plans - Additional Information (Details)
 1 Months Ended 12 Months Ended
May. 31, 2015
Dec. 31, 2015
USD ($)
plan
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Dec. 31, 2013
USD ($)
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based payment expense   $ 84,310,000 $ 78,212,000 $ 68,876,000
Number of other share-based benefit plans | plan   4    
Deferred compensation plan   $ 0    
Sirius XM Savings Plan [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
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%    
Maximum annual contributions per employee, percent   3.00%    
Vesting percentage of employer contributions for each year of employment   33.33%    
Savings plan, fully vested period   3 years    
Recognized cost   $ 8,144,000 5,385,000 4,181,000
Employees And Non Employee Stock Option [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based payment expense   $ 70,084,000 $ 69,754,000 $ 66,231,000
Granted, options (in shares) | shares   145,366,000 61,852,000 57,228,000
Weighted average grant date fair value of options granted (in dollars per share) | $ / shares   $ 1.11 $ 1.05 $ 1.48
Total intrinsic value of stock options exercised   $ 117,944,000 $ 89,428,000 $ 142,491,000
Number of net settled shares issued as a result of exercise of stock options and vesting of restricted stock units | shares   17,652,000 15,228,000 32,650,000
Employees And Non Employee Stock Option [Member] | Third Parties [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Granted, options (in shares) | shares     0 0
Restricted Stock Units RSU and Stock Awards [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based payment expense   $ 14,226,000 $ 8,458,000 $ 2,645,000
Number of net settled shares issued as a result of exercise of stock options and vesting of restricted stock units | shares   2,088,000 732,000 191,000
Weighted average grant date fair value of restricted stock units and stock awards granted | $ / shares   $ 3.92 $ 3.38 $ 3.59
Total intrinsic value of restricted stock units and stock awards vested   $ 13,720,000 $ 4,044,000 $ 605,000
Restricted Stock Units RSU and Stock Options [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Total unrecognized compensation costs related to unvested share based payment awards for restricted stock units, net of estimated forfeitures   $ 261,628,000 $ 162,985,000  
Weighted average expected period for recognition of compensation expenses   3 years    
2015 Long-Term Stock Incentive Plan [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Restricted stock conversion to common stock 1      
Common stock available for future grants | shares   246,778,000    
2015 Long-Term Stock Incentive Plan [Member] | Employees And Non Employee Stock Option [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Stock options expiration term 10 years