Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) - USD ($)
3 Months Ended
Mar. 13, 2017
Mar. 31, 2019
Commitments and Contingencies    
Compensation guarantee aggregate total   $ 205,000,000
Amounts payable under guarantee in 2019   133,000,000
Amounts payable under guarantee in 2020   37,000,000
Amounts payable under guarantee in 2021   34,000,000
Amounts payable under guarantee thereafter   0
Pending Litigation | Telephone Consumer Protection Act Of 1991 Lawsuit | SIRIUS XM Holdings    
Commitments and Contingencies    
Loss Contingency Damages Sought Per Violation $ 500  
Loss Contingency Damages Sought Value Per Willful Violation $ 1,500  
Settled Litigation | Telephone Consumer Protection Act Of 1991 Lawsuit | SIRIUS XM Holdings    
Commitments and Contingencies    
Litigation settlement to other party   $ 25,000,000
Period of no cost service to class members and not active subscribers   3 months
Maximum    
Commitments and Contingencies    
Amounts payable under guarantee in 2022   $ 1,000,000