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)
$ in Millions
3 Months Ended
May 25, 2017
Mar. 31, 2020
USD ($)
item
Mar. 31, 2019
USD ($)
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net   $ (62) $ (20)
Sirius XM Holdings | Sirius XM Canada      
Investments in Affiliates Accounted for Using the Equity Method      
Due from related parties current assets   15  
Due to related parties current   3  
Revenue from related parties   $ 25 24
Sirius XM Holdings | Sirius XM Canada      
Investments in Affiliates Accounted for Using the Equity Method      
Percentage ownership   70.00%  
Equity Method Investment Voting Interest   33.00%  
Sirius XM Holdings | Sirius XM Canada | Services Agreement      
Investments in Affiliates Accounted for Using the Equity Method      
Related party transaction agreement term 30 years    
Gross revenue percentage   25.00%  
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   $ 118  
Sirius XM Holdings | Sirius XM Canada | Maximum      
Investments in Affiliates Accounted for Using the Equity Method      
Gross Dividends   $ 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