Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Details)

v3.3.1.900
Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Weighted average period of recognition related to unvested equity awards (in years) 2 years 6 months    
Stock-based compensation $ 204 $ 217 $ 193
Total unrecognized compensation cost related to unvested equity awards $ 56    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 6 months    
SIRIUS XM      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Weighted average period of recognition related to unvested equity awards (in years) 3 years    
Stock-based compensation $ 157 $ 148 $ 133
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 3 years    
SIRIUS XM | Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Options granted 145.4    
WAEP granted $ 3.95    
Outstanding options 338.5    
Exercisable options 121.8    
Outstanding WAEP, End of period $ 3.29    
Exercisable WAEP $ 2.51    
Exercisable Options, Aggregate Intrinsic Value $ 194    
Outstanding options, aggregate intrinsic value $ 268    
Weighted average grant-date fair value $ 1.11    
Weighted average volatility rate 29.00% 33.00% 47.00%
Outstanding options, aggregate intrinsic value $ 268    
Exercisable Options, aggregate intrinsic value 194    
Total unrecognized compensation cost related to unvested equity awards $ 262    
SIRIUS XM | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Restricted stock granted 9.0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 3.92