Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Details)

v3.21.2
Related Party Transactions - Additional Information (Details)
$ / shares in Units, $ / shares in Units, shares in Millions, $ in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
director
executive
$ / shares
shares
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
director
executive
$ / shares
shares
Jun. 30, 2020
USD ($)
Jun. 30, 2021
$ / shares
Dec. 31, 2020
USD ($)
Feb. 29, 2020
USD ($)
board_member
ordinary_membership_unit
Feb. 10, 2020
USD ($)
May 25, 2017
CAD ($)
Related Party Transaction [Line Items]                  
Preferred stock liquidation preference per share (in CAD per share) | $ / shares $ 0.001   $ 0.001            
Deferred compensation contributions $ (1) $ (1) $ (3) $ (7)          
SoundCloud Holdings, LLC                  
Related Party Transaction [Line Items]                  
Number of board members | board_member             9    
Maximum                  
Related Party Transaction [Line Items]                  
Deferred compensation contributions (1) (1) (1) (1)          
SoundCloud Holdings, LLC                  
Related Party Transaction [Line Items]                  
Revenue share expense 14 10 27 22          
Related party liabilities $ 19   $ 19            
SoundCloud Holdings, LLC                  
Related Party Transaction [Line Items]                  
Equity method investments               $ 75  
Management | Executives | Liberty Media                  
Related Party Transaction [Line Items]                  
Number of related party members on board of directors | executive 3   3            
Management | Director | Liberty Media                  
Related Party Transaction [Line Items]                  
Number of related party members on board of directors | director 1   1            
Equity Method Investee                  
Related Party Transaction [Line Items]                  
Notes receivable, related parties                 $ 131
Equity Method Investee | Maximum                  
Related Party Transaction [Line Items]                  
Proceeds from related party debt     $ 2 3          
Equity Method Investee | Services Agreement                  
Related Party Transaction [Line Items]                  
Period of agreement     30 years            
Equity Method Investee | Services Agreement, Years 1 Through 5                  
Related Party Transaction [Line Items]                  
Payments receivable, percentage of gross revenue     25.00%            
Equity Method Investee | Advisory Services Agreement                  
Related Party Transaction [Line Items]                  
Period of agreement     30 years            
Payments receivable, percentage of gross revenue     5.00%            
Equity Method Investee | Sirius XM Canada                  
Related Party Transaction [Line Items]                  
Equity method investment, equity interest percentage 70.00%   70.00%            
Equity method investment, voting interest percentage 33.00%   33.00%            
Number of preferred shares owned (in shares) | shares 591   591            
Preferred stock liquidation preference per share (in CAD per share) | $ / shares         $ 1        
Notes receivable, related parties $ 124   $ 124     $ 123      
Equity method investments 349   349     $ 332      
Equity method investment, dividends, including reduction of investment 1 1 1 1          
Revenue from related parties $ 26 $ 23 $ 50 $ 48          
Equity Method Investee | SoundCloud Holdings, LLC                  
Related Party Transaction [Line Items]                  
Number of board members appointed | board_member             2    
Equity Method Investee | SoundCloud Holdings, LLC | Series G Membership Units                  
Related Party Transaction [Line Items]                  
Equity method investments             $ 75    
Series G membership unit conversion ratio (ordinary membership unit per series G membership unit) | ordinary_membership_unit             1    
Common Stock | Management | Liberty Media                  
Related Party Transaction [Line Items]                  
Related party ownership percentage 78.00%   78.00%