Quarterly report pursuant to Section 13 or 15(d)

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

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Benefit Plans - Sirius XM Holdings Inc. Deferred Compensation Plan (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Retirement Benefits [Abstract]          
Contribution withdrawals $ (1)   $ (1)    
Deferred compensation contributions   $ 1   $ 3  
Fair value of investment assets related to deferred compensation plan 46   46   $ 56
Gains (losses) on investments $ (6) $ 3 $ (9) $ 4