Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans - Additional Information (Details)

v3.19.3
Benefit Plans - Additional Information (Details)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Feb. 01, 2019
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
$ / shares
shares
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Business Acquisition [Line Items]            
Share-based payment expense   $ 65 $ 29 $ 192 $ 100  
Goodwill   3,856   3,856   $ 2,290
Share-based payment expense       192 100  
Pandora            
Business Acquisition [Line Items]            
Exchange ratio (in shares per share) 1.44          
Goodwill $ 1,566 1,566   $ 1,566    
Employees and Non Employee Stock Option            
Business Acquisition [Line Items]            
Grant date fair value of options (in dollars per share) | $ / shares       $ 1.26    
Options exercised in period, intrinsic value       $ 83 206  
Exercise of stock options and vesting of restricted stock units (in shares) | shares       10    
Share-based payment expense   14 11 $ 49 52  
Pre-Acquisition Replacement Equity Awards            
Business Acquisition [Line Items]            
Goodwill   8   8    
Restricted Stock Units (RSUs) and Performance Shares            
Business Acquisition [Line Items]            
Share-based payment expense   51 $ 18 143 48  
Restricted stock units vested, intrinsic value       $ 192 $ 76  
Granted (in shares) | shares       37    
Restricted Stock Units (RSUs)            
Business Acquisition [Line Items]            
Exercise of stock options and vesting of restricted stock units (in shares) | shares       20    
Performance-based Share Awards            
Business Acquisition [Line Items]            
Granted (in shares) | shares       5    
Pre-Acquisition Replacement Equity Awards, Restricted Stock Units            
Business Acquisition [Line Items]            
Goodwill   62   $ 62    
Restricted Stock Units Rsu And Stock Options            
Business Acquisition [Line Items]            
Unrecognized compensation costs   $ 476   $ 476   $ 254
Weighted-average service period (in years)       2 years 3 months 18 days    
Acquisition-related Costs            
Business Acquisition [Line Items]            
Share-based payment expense       $ 21    
Maximum | Restricted Stock Units (RSUs) and Performance Shares            
Business Acquisition [Line Items]            
Restricted stock units granted (in shares) | shares       1