Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method - Sirius XM Canada (Details)

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Investments In Affiliates Accounted For Using The Equity Method - Sirius XM Canada (Details)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
May 25, 2017
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
item
shares
Sep. 30, 2018
USD ($)
Sep. 30, 2019
$ / shares
SIRIUS XM Holdings | Sirius XM Canada            
Investments in Affiliates Accounted for Using the Equity Method            
Due from related parties current assets   $ 11   $ 11    
Due to related parties current   4   4    
Due to related parties non current   1   1    
Revenue from related parties   $ 25 $ 25 $ 73 $ 72  
SIRIUS XM Holdings | Sirius XM Canada            
Investments in Affiliates Accounted for Using the Equity Method            
Percentage ownership   70.00%   70.00%    
Equity Method Investment Voting Interest       33.00%    
Equity method investment, number of preferred shares owned | shares       591    
Preferred stock, liquidation preference per share | $ / shares           $ 1
Gross Dividends         $ 2  
SIRIUS XM Holdings | Sirius XM Canada | Services Agreement            
Investments in Affiliates Accounted for Using the Equity Method            
Related party transaction agreement term 30 years          
SIRIUS XM Holdings | Sirius XM Canada | Services Agreement, Years 1 through 5            
Investments in Affiliates Accounted for Using the Equity Method            
Gross revenue percentage 25.00%          
SIRIUS XM Holdings | Sirius XM Canada | Services Agreement Due Thereafter            
Investments in Affiliates Accounted for Using the Equity Method            
Gross revenue percentage 30.00%          
SIRIUS XM Holdings | Sirius XM Canada | Advisory Services Agreement            
Investments in Affiliates Accounted for Using the Equity Method            
Related party transaction agreement term 30 years          
Gross revenue percentage 5.00%          
SIRIUS XM Holdings | Sirius XM Canada | Related Party 7.62% Loan            
Investments in Affiliates Accounted for Using the Equity Method            
Notes receivable, related parties, non current   $ 129   $ 129    
SIRIUS XM Holdings | Sirius XM Canada | Maximum            
Investments in Affiliates Accounted for Using the Equity Method            
Gross Dividends   $ 1 $ 1 $ 1    
Sirius XM Canada            
Investments in Affiliates Accounted for Using the Equity Method            
Number of previous shareholders who hold remainder of voting power | item       2