Quarterly report [Sections 13 or 15(d)]

Benefit Plans - Schedule of Stock Options Activity Under Share-Based Payment Plans (Details)

v3.26.1
Benefit Plans - Schedule of Stock Options Activity Under Share-Based Payment Plans (Details) - Sirius XM Holdings Awards - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Options        
Outstanding as of beginning of period (in shares)     15,000,000  
Granted (in shares) 0 0 0 0
Exercised (in shares)     0  
Forfeited, cancelled or expired (in shares)     (1,000,000)  
Outstanding as of end of period (in shares) 14,000,000   14,000,000  
Exercisable (in shares) 13,000,000   13,000,000  
WAEP        
Outstanding as of beginning of period (in USD per share)     $ 50.10  
Granted (in USD per share)     0  
Exercised (in USD per share)     0  
Forfeited, cancelled or expired (in USD per share)     48.97  
Outstanding as of end of period (in USD per share) $ 50.22   50.22  
Exercisable (in USD per share) $ 50.83   $ 50.83  
Weighted-Average Remaining Contractual Term (Years)        
Outstanding     3 years 1 month 20 days  
Exercisable     2 years 10 months 6 days  
Aggregate Intrinsic Value        
Outstanding $ 4   $ 4  
Exercisable $ 3   $ 3