Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Sirius XM Holdings Awards (Details)

v3.24.4
Benefit Plans - Sirius XM Holdings Awards (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Employees and Non Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Grant date fair value of options ( in USD per share) $ 12.31 $ 1.23 $ 1.48
Options exercised in period, intrinsic value $ 1 $ 15 $ 77
Exercise of stock options and vesting of restricted stock units (in shares) 1 2 8
Restricted Stock Units (RSUs) and Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock units vested, intrinsic value $ 113 $ 147 $ 207
Granted (in shares) 7    
Restricted stock units granted (in shares) 1 1 4
Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise of stock options and vesting of restricted stock units (in shares) 2 19 19
Performance-based Share Awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 1 4 6
Restricted Stock Units Rsu And Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation costs $ 402 $ 423  
Weighted-average service period (in years) 2 years 7 months 6 days