Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Details)

v3.20.1
Related Party Transactions - Additional Information (Details)
$ / shares in Units, $ / shares in Units, shares in Millions, $ in Millions, $ in Millions
3 Months Ended
May 25, 2017
CAD ($)
Mar. 31, 2020
USD ($)
director
executive
$ / shares
shares
Mar. 31, 2019
USD ($)
Mar. 31, 2020
$ / shares
Feb. 10, 2020
USD ($)
board_member
ordinary_membership_unit
Dec. 31, 2019
USD ($)
Related Party Transaction [Line Items]            
Preferred stock liquidation preference per share (in dollars per share) | $ / shares   $ 0.001        
Loss on unconsolidated entity investments, net   $ 2 $ 4      
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   1,000        
Management | Liberty Media | Senior Advisor            
Related Party Transaction [Line Items]            
Number of related party members on board of directors | executive   1,000        
Management | Liberty Media | Director            
Related Party Transaction [Line Items]            
Number of related party members on board of directors | director   1,000        
Management | Liberty Media | Common Stock            
Related Party Transaction [Line Items]            
Related party ownership percentage   72.00%        
Equity Method Investee            
Related Party Transaction [Line Items]            
Notes receivable, related parties $ 131          
Proceeds from related party debt     1      
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%        
Equity method investment, voting interest percentage   33.00%        
Number of preferred shares owned | shares   591        
Preferred stock liquidation preference per share (in dollars per share) | $ / shares       $ 1    
Notes receivable, related parties   $ 118       $ 131
Equity method investments   300       $ 321
Revenue from related parties   25 24      
Equity Method Investee | SoundCloud Holdings, LLC            
Related Party Transaction [Line Items]            
Number of board members appointed | board_member         2  
Maximum | Equity Method Investee            
Related Party Transaction [Line Items]            
Proceeds from related party debt   3        
Maximum | Equity Method Investee | Sirius XM Canada            
Related Party Transaction [Line Items]            
Equity method investment, dividends, including reduction of investment   1 1      
Maximum | Equity Method Investee | SoundCloud Holdings, LLC            
Related Party Transaction [Line Items]            
Loss on unconsolidated entity investments, net   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   12 $ 3      
Related party liabilities   $ 18