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
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Retirement Benefits [Abstract]      
Deferred compensation contributions $ 0 $ 3  
Fair value of investment assets related to deferred compensation plan 53   $ 56
Gains (losses) on investments $ (3) $ 1