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 6 Months Ended 20 Months Ended 30 Months Ended 38 Months Ended
Jun. 30, 2015
USD ($)
lawsuit
Jun. 30, 2015
USD ($)
lawsuit
Jun. 30, 2015
USD ($)
lawsuit
Mar. 31, 2015
USD ($)
lawsuit
Dec. 31, 2017
USD ($)
Mar. 31, 2015
USD ($)
lawsuit
Jan. 17, 2013
EUR (€)
Jun. 25, 2012
EUR (€)
Loss Contingencies [Line Items]                
Litigation Settlement, Expense   $ 108,000,000 $ 108,000,000          
Compensation guarantee aggregate total $ 343,000,000 343,000,000 343,000,000          
Amounts payable under guarantee in 2015 64,000,000 64,000,000 64,000,000          
Amounts payable under guarantee in 2016 59,000,000 59,000,000 59,000,000          
Amounts payable under guarantee in 2017 61,000,000 61,000,000 61,000,000          
Amounts payable under guarantee in 2018 54,000,000 54,000,000 54,000,000          
Amount payable under guarantee, thereafter 105,000,000 105,000,000 105,000,000          
Capitol Records Case [Member]                
Loss Contingencies [Line Items]                
Loss Contingency Accrual, at Carrying Value 210,000,000 210,000,000 210,000,000          
Litigation Settlement, Amount $ 210,000,000              
Percentage of pre-1972 recordings owned or controlled by the plaintiffs 80.00%              
Litigation Settlement, Expense   108,000,000 108,000,000   $ 102,000,000      
Loss Contingency Accrual, at Carrying Value $ 210,000,000 210,000,000 210,000,000          
Loss Contingency, Accrual, Current 39,000,000 39,000,000 39,000,000          
Loss Contingency, Accrual, Noncurrent $ 63,000,000 $ 63,000,000 $ 63,000,000          
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]                
Number of class action lawsuits | lawsuit       3   3    
Number of suits filed | lawsuit 1 1 1          
Damages sought       $ 100,000,000        
Pending Litigation | Telephone Consumer Protection Act Of 1991 Lawsuit [Member] | SIRIUS XM                
Loss Contingencies [Line Items]                
Number of class action lawsuits | lawsuit       5   5    
Statutory damages per violation sought           $ 500    
Treble damages sought per knowing violation           $ 1,500    
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