Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Details)

v3.10.0.1
Commitments And Contingencies (Details) - USD ($)
Jul. 06, 2018
Mar. 13, 2017
Sep. 30, 2018
Loss Contingencies [Line Items]      
Compensation guarantee aggregate total     $ 243,000,000
Amounts payable under guarantee in 2018     115,000,000
Amounts payable under guarantee in 2019     60,000,000
Amounts payable under guarantee in 2020     32,000,000
Amounts payable under guarantee in 2021     34,000,000
Amount payable under guarantee, thereafter     $ 2,000,000
Pending Litigation | Telephone Consumer Protection Act Of 1991 Lawsuit | SIRIUS XM      
Loss Contingencies [Line Items]      
Loss Contingency Damages Sought Value Per Willful Violation   $ 1,500  
Loss Contingency Damages Sought Per Violation   $ 500  
Settled Litigation | Sound exchange Lawsuit | SIRIUS XM      
Loss Contingencies [Line Items]      
Payments for Legal Settlements $ 150,000,000