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Investments In Affiliates Accounted For Using The Equity Method - SoundCloud (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Feb. 29, 2020
Investments in Affiliates Accounted for Using the Equity Method            
Equity Method Investments $ 1,028   $ 1,028   $ 945  
Sirius XM Holdings | SoundCloud Holdings, LLC | Pandora Soundcloud Advertising Agreement            
Investments in Affiliates Accounted for Using the Equity Method            
Revenue share expense 13 $ 15 40 $ 42    
Due to related parties, non-current $ 18   $ 18      
Sirius XM Holdings | SoundCloud Holdings, LLC            
Investments in Affiliates Accounted for Using the Equity Method            
Equity Method Investments           $ 75