Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Details)

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Commitments And Contingencies (Details)
€ in Millions
 1 Months Ended 3 Months Ended 9 Months Ended 26 Months Ended 44 Months Ended
Sep. 30, 2015
USD ($)
Jun. 30, 2015
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2015
USD ($)
Oct. 31, 2015
lawsuit
Sep. 30, 2013
lawsuit
Jan. 17, 2013
EUR (€)
Jun. 25, 2012
EUR (€)
Loss Contingencies [Line Items]                    
Litigation Settlement, Expense       $ 108,000,000            
Compensation guarantee aggregate total $ 332,000,000   $ 332,000,000 332,000,000 $ 332,000,000 $ 332,000,000        
Amounts payable under guarantee in 2015 5,000,000   5,000,000 5,000,000 5,000,000 5,000,000        
Amounts payable under guarantee in 2016 87,000,000   87,000,000 87,000,000 87,000,000 87,000,000        
Amounts payable under guarantee in 2017 59,000,000   59,000,000 59,000,000 59,000,000 59,000,000        
Amounts payable under guarantee in 2018 60,000,000   60,000,000 60,000,000 60,000,000 60,000,000        
Amount payable under guarantee, thereafter 121,000,000   121,000,000 $ 121,000,000 121,000,000 121,000,000        
Use And Pulic Performance Of Sounds Recorded Prior to February 15, 1972 Lawsuit | SIRIUS XM                    
Loss Contingencies [Line Items]                    
Number of class action lawsuits | lawsuit             4 3    
Number of class action suits alleging violations of the putative plaintiffs' rights under California and New York law | lawsuit             2      
Capitol Records Case [Member]                    
Loss Contingencies [Line Items]                    
Percentage of pre-1972 recordings owned or controlled by the plaintiffs   85.00%                
Litigation Settlement, Expense     $ 9,000,000              
Deferred litigation settlement expense 93,000,000                  
Deferred litigation settlement expense, current 40,000,000                  
Deferred litigation settlement expense, noncurrent $ 53,000,000                  
Capitol Records Case [Member] | SIRIUS XM                    
Loss Contingencies [Line Items]                    
Litigation Settlement, Expense   $ 108,000,000                
Pending Litigation | Vivendi Universal SA Suit [Member]                    
Loss Contingencies [Line Items]                    
Gain Contingency, Unrecorded Amount | €                   € 765
Pending Litigation | Use And Pulic Performance Of Sounds Recorded Prior to February 15, 1972 Lawsuit | SIRIUS XM                    
Loss Contingencies [Line Items]                    
Damages sought         100,000,000          
Pending Litigation | Telephone Consumer Protection Act Of 1991 Lawsuit [Member] | SIRIUS XM                    
Loss Contingencies [Line Items]                    
Statutory damages per violation sought           500.00        
Including prejudgement interest [Member] | Pending Litigation | Vivendi Universal SA Suit [Member]                    
Loss Contingencies [Line Items]                    
Gain Contingency, Unrecorded Amount | €                 € 945  
Minimum | Pending Litigation | Sound exchange Lawsuit [Member] | SIRIUS XM                    
Loss Contingencies [Line Items]                    
Damages sought         50,000,000          
Maximum | Pending Litigation | Sound exchange Lawsuit [Member] | SIRIUS XM                    
Loss Contingencies [Line Items]                    
Damages sought         $ 100,000,000          
Maximum | Pending Litigation | Telephone Consumer Protection Act Of 1991 Lawsuit [Member] | SIRIUS XM                    
Loss Contingencies [Line Items]                    
Treble damages sought per knowing violation           $ 1,500.00