Quarterly report pursuant to Section 13 or 15(d)

Business & Basis of Presentation (Details)

v3.4.0.3
Business & Basis of Presentation (Details)
3 Months Ended
Mar. 31, 2016
segment
satellite_radio_system
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Number of satellite radio systems | satellite_radio_system 2
Related Party Transactions [Abstract]  
Number of reportable segments | segment 1
Minimum  
Accounts Notes And Loans Receivable [Line Items]  
Length of prepaid subscriptions, term 3 months
Minimum | Common Stock | Liberty Media  
Related Party Transactions [Abstract]  
Related party ownership percentage (greater than) 50.00%
Maximum  
Accounts Notes And Loans Receivable [Line Items]  
Length of prepaid subscriptions, term 12 months