Quarterly report pursuant to Section 13 or 15(d)

Acquisition (Details)

v3.19.1
Acquisition (Details)
$ in Millions
3 Months Ended
Feb. 01, 2019
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Feb. 14, 2019
Dec. 31, 2018
USD ($)
Business Acquisition [Line Items]          
Cash received from Pandora Acquisition   $ 313 $ 0    
Goodwill   3,831     $ 2,290
Pandora          
Business Acquisition [Line Items]          
Consideration of common stock and replacement equity awards for pre-combination service $ 2,355        
Purchase price $ 2,879        
Exchange ratio (in shares per share) 1.44        
Sirius XM’s Pandora preferred stock investment (related party fair value instrument) canceled $ 524        
Cash received from Pandora Acquisition 313        
Goodwill $ 1,541        
Finite-lived intangible assets   776      
Gross operating loss carryforwards   $ 1,199      
Customer Relationships | Pandora          
Business Acquisition [Line Items]          
Weighted Average Useful Lives   8 years      
Software and technology | Pandora          
Business Acquisition [Line Items]          
Weighted Average Useful Lives   5 years      
Senior Notes | 1.75% Senior Notes Due 2020          
Business Acquisition [Line Items]          
Stated interest rate (as a percent)   1.75%      
Senior Notes | 1.75% Senior Notes Due 2020 | Pandora          
Business Acquisition [Line Items]          
Stated interest rate (as a percent)   1.75%   1.75%  
Senior Notes | 1.75% Senior Notes Due 2023          
Business Acquisition [Line Items]          
Stated interest rate (as a percent)   1.75%      
Trademarks | Pandora          
Business Acquisition [Line Items]          
Fair value of acquired trademarks   $ 331