Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Sirius XM Holdings Inc. Deferred Compensation Plan (Narrative) (Details)

v3.24.0.1
Benefit Plans - Sirius XM Holdings Inc. Deferred Compensation Plan (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Retirement Benefits [Abstract]      
Contributions (withdrawals) $ (3) $ (1)  
Net contributions     $ 4
Fair value of investment assets related to deferred compensation plan 53 47  
Gains (losses) on investments $ 7 $ (10) $ 5