Quarterly report pursuant to Section 13 or 15(d)

Segments and Geographic Information (Details)

v3.19.1
Segments and Geographic Information (Details)
subscriber in Millions, active_user in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
active_user
subscriber
segment
satellite_radio_system
Mar. 31, 2018
USD ($)
Segment Reporting Information [Line Items]    
Number of reportable segments | segment 2  
Number of satellite radio systems | satellite_radio_system 2  
Revenue $ 1,744,000,000 $ 1,375,000,000
Sirius XM    
Segment Reporting Information [Line Items]    
Number of subscribers | subscriber 34.2  
Revenue $ 1,493,000,000  
Pandora    
Segment Reporting Information [Line Items]    
Number of subscribers | subscriber 6.9  
Number of ad-supported active users | active_user 66.0  
Revenue $ 251,000,000  
Sirius XM Canada | Equity Method Investee    
Segment Reporting Information [Line Items]    
Equity method investment, equity interest percentage 70.00%  
Equity method investment, voting interest percentage 33.00%  
Advertising revenue    
Segment Reporting Information [Line Items]    
Revenue $ 209,000,000 $ 42,000,000
Advertising revenue | Sirius XM    
Segment Reporting Information [Line Items]    
Revenue 46,000,000  
Advertising revenue | Pandora    
Segment Reporting Information [Line Items]    
Revenue 163,000,000  
Advertising revenue | Intersegment Eliminations    
Segment Reporting Information [Line Items]    
Revenue $ 0