Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.19.1
Commitments and Contingencies - Additional Information (Details)
 3 Months Ended
Jan. 31, 2019
USD ($)
Mar. 13, 2017
USD ($)
Mar. 31, 2019
USD ($)
satellite
Loss Contingencies [Line Items]      
Number of replacement satellites | satellite     2
Telephone Consumer Protection Act Suits      
Loss Contingencies [Line Items]      
Litigation Settlement, Amount Awarded from Other Party $ 25,000,000    
Litigation Settlement, Amount Awarded To Other Party, Subscription, Term     3 months
Telephone Consumer Protection Act Suits | Pending Litigation      
Loss Contingencies [Line Items]      
Damages sought per violation   $ 500  
Surety Bond      
Loss Contingencies [Line Items]      
Estimate of possible loss     $ 45,000,000
Maximum      
Loss Contingencies [Line Items]      
Operating lease obligations, term (years)     15 years
Maximum | Telephone Consumer Protection Act Suits | Pending Litigation      
Loss Contingencies [Line Items]      
Damages sought per willful violation   $ 1,500  
Minimum      
Loss Contingencies [Line Items]      
Operating lease obligations, term (years)     1 year
XM-5, FM-5, FM-6, XM-3, and XM-4      
Loss Contingencies [Line Items]      
Operating performance over design life     15 years
XM-4      
Loss Contingencies [Line Items]      
Period beyond expected operating performance of design life for XM-4     5 years
XM-4 | Maximum      
Loss Contingencies [Line Items]      
Additional payments required if XM-4 continues to operate above baseline specifications     $ 10,000,000
Advertising sales commitments      
Loss Contingencies [Line Items]      
Future minimum guarantee payments     50,000,000
Minimum guarantee payments due in remainder of 2019     15,000,000
Royalty Arrangement      
Loss Contingencies [Line Items]      
Prepayments made of minimum guarantee payments     11,000,000
Future minimum guarantee payments     250,000,000
Minimum guarantee payments due in remainder of 2019     $ 189,000,000