Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Details)

v3.20.2
Related Party Transactions - Additional Information (Details)
$ / shares in Units, $ / shares in Units, shares in Millions, $ in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
executive
director
$ / shares
shares
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
executive
director
$ / shares
shares
Sep. 30, 2019
USD ($)
Sep. 30, 2020
$ / shares
Feb. 29, 2020
USD ($)
board_member
ordinary_membership_unit
Feb. 10, 2020
USD ($)
Dec. 31, 2019
USD ($)
May 25, 2017
CAD ($)
Related Party Transaction [Line Items]                  
Preferred stock liquidation preference per share (CAD per share) | $ / shares $ 0.001   $ 0.001            
Income (loss) from equity method investments     $ (8) $ (16)          
SoundCloud Holdings, LLC                  
Related Party Transaction [Line Items]                  
Number of board members | board_member           9      
SoundCloud Holdings, LLC                  
Related Party Transaction [Line Items]                  
Equity method investments             $ 75    
Management | Liberty Media | Executives                  
Related Party Transaction [Line Items]                  
Number of related party members on board of directors | executive 1   1            
Management | Liberty Media | Senior Advisor                  
Related Party Transaction [Line Items]                  
Number of related party members on board of directors | executive 1   1            
Management | Liberty Media | Director                  
Related Party Transaction [Line Items]                  
Number of related party members on board of directors | director 1   1            
Management | Liberty Media | Common Stock                  
Related Party Transaction [Line Items]                  
Related party ownership percentage 74.00%   74.00%            
Equity Method Investee                  
Related Party Transaction [Line Items]                  
Notes receivable, related parties                 $ 131
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 (CAD per share) | $ / shares         $ 1        
Notes receivable, related parties $ 117   $ 117         $ 131  
Equity method investments 320   320         $ 321  
Equity method investment, dividends, including reduction of investment 1 $ 1 1 1          
Revenue from related parties 25 25 73 73          
Equity Method Investee | SoundCloud Holdings, LLC                  
Related Party Transaction [Line Items]                  
Number of board members appointed | board_member           2      
Income (loss) from equity method investments 1   (1)            
Maximum | Equity Method Investee                  
Related Party Transaction [Line Items]                  
Proceeds from related party debt     11 1          
Series G Membership Units | Equity Method Investee | SoundCloud Holdings, LLC                  
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      
SoundCloud Holdings, LLC                  
Related Party Transaction [Line Items]                  
Revenue share expense 13 $ 13 36 $ 24          
Related party liabilities $ 18   $ 18