Quarterly report pursuant to Section 13 or 15(d)

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

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Benefit Plans - Sirius XM Holdings Inc. Deferred Compensation Plan (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Retirement Benefits [Abstract]      
Net contributions $ 1    
Contributions (withdrawals)   $ (1)  
Fair value of investment assets related to deferred compensation plan 51   $ 47
Gains (losses) on investments $ 2 $ (3)