Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Details)

v3.7.0.1
Commitments And Contingencies (Details)
€ in Millions, $ in Millions
 1 Months Ended 3 Months Ended
Aug. 31, 2013
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Jan. 17, 2013
EUR (€)
Jun. 25, 2012
EUR (€)
Loss Contingencies [Line Items]          
Legal settlement, net     $ 511    
Revenue share and royalties   $ 277 252    
Compensation guarantee aggregate total   278      
Amounts payable under guarantee in 2017   98      
Amounts payable under guarantee in 2018   79      
Amounts payable under guarantee in 2019   41      
Amounts payable under guarantee in 2020   29      
Amount payable under guarantee, thereafter   31      
Vivendi Universal SA Suit [Member]          
Loss Contingencies [Line Items]          
Litigation Settlement, Amount     775    
Legal settlement, net     $ 511    
Pending Litigation | Vivendi Universal SA Suit [Member]          
Loss Contingencies [Line Items]          
Gain Contingency, Unrecorded Amount | €         € 765
Pending Litigation | Sound exchange Lawsuit [Member] | SIRIUS XM          
Loss Contingencies [Line Items]          
Loss Contingency Accrual, at Carrying Value   0      
Including prejudgment interest | 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        
Estimate of Possible Loss   0      
Maximum | Pending Litigation | Sound exchange Lawsuit [Member] | SIRIUS XM          
Loss Contingencies [Line Items]          
Damages sought $ 100        
Estimate of Possible Loss   $ 70