Quarterly report pursuant to Section 13 or 15(d)

Business & Basis of Presentation (Details)

v3.19.2
Business & Basis of Presentation (Details)
subscriber in Millions, active_user in Millions
6 Months Ended
Jun. 30, 2019
active_user
subscriber
segment
satellite_radio_system
Related Party Transaction [Line Items]  
Number of reportable segments | segment 2
Number of satellite radio systems | satellite_radio_system 2
Common Stock | Management | Liberty Media  
Related Party Transaction [Line Items]  
Related party ownership percentage 70.00%
Sirius XM  
Related Party Transaction [Line Items]  
Number of subscribers 34.3
Pandora  
Related Party Transaction [Line Items]  
Number of subscribers 7.0
Number of ad-supported active users | active_user 64.9