Annual report pursuant to Section 13 and 15(d)

Acquisition (Details)

v3.19.3.a.u2
Acquisition (Details)
$ in Millions
12 Months Ended
Feb. 01, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Feb. 14, 2019
Dec. 31, 2017
USD ($)
Business Acquisition [Line Items]          
Goodwill   $ 3,843 $ 2,290   $ 2,287
Acquisition and other related costs   84 $ 3    
Pandora          
Business Acquisition [Line Items]          
Consideration of common stock and replacement equity awards for pre-combination service $ 2,355        
Exchange ratio (in shares per share) 1.44        
Sirius XM’s Pandora preferred stock investment (related party fair value instrument) canceled $ 524        
Total consideration for Pandora Acquisition 2,879        
Acquisition of business, net of cash acquired 313        
Goodwill 1,553 1,553      
Finite-lived intangible assets   776      
Gross operating loss carryforwards $ 1,287        
Acquisition and other related costs   $ 84      
Customer relationships | Pandora          
Business Acquisition [Line Items]          
Weighted average useful lives (years)   8 years      
Software and technology          
Business Acquisition [Line Items]          
Weighted average useful lives (years)   7 years      
Software and technology | Pandora          
Business Acquisition [Line Items]          
Weighted average useful lives (years)   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