Quarterly report pursuant to Section 13 or 15(d)

Acquisition (Details)

v3.20.1
Acquisition (Details)
$ in Millions
3 Months Ended
Feb. 01, 2019
USD ($)
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2019
Feb. 14, 2019
Business Acquisition [Line Items]          
Acquisition and other related costs   $ 0 $ 76    
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        
Acquisition and other related costs     76    
Net loss   $ 251 $ 122    
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%   1.75%