Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Additional Information (Details)

v3.19.3.a.u2
Benefit Plans - Additional Information (Details)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Feb. 01, 2019
USD ($)
Dec. 31, 2019
USD ($)
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2017
USD ($)
$ / shares
shares
Business Acquisition [Line Items]        
Share-based payment expense   $ 250 $ 133 $ 124
Goodwill   3,843 2,290 2,287
Share-based payment expense   250 $ 133 $ 124
Pandora        
Business Acquisition [Line Items]        
Exchange ratio (in shares per share) 1.44      
Goodwill $ 1,553 $ 1,553    
Employees and Non Employee Stock Option        
Business Acquisition [Line Items]        
Grant date fair value of options (in dollars per share) | $ / shares   $ 1.26 $ 1.45 $ 1.17
Options exercised in period, intrinsic value   $ 146 $ 215 $ 167
Exercise of stock options and vesting of restricted stock units (in shares) | shares   15 19 17
Share-based payment expense   $ 60 $ 67 $ 78
Pre-Acquisition Replacement Equity Awards        
Business Acquisition [Line Items]        
Goodwill   8    
Restricted Stock Units (RSUs) and Performance Shares        
Business Acquisition [Line Items]        
Share-based payment expense   190 66 46
Restricted stock units vested, intrinsic value   $ 235 $ 85 $ 48
Granted (in shares) | shares   38 18 12
Restricted Stock Units (RSUs)        
Business Acquisition [Line Items]        
Exercise of stock options and vesting of restricted stock units (in shares) | shares   23 7 5
Performance-based Share Awards        
Business Acquisition [Line Items]        
Granted (in shares) | shares   6 5 1
Pre-Acquisition Replacement Equity Awards, Restricted Stock Units        
Business Acquisition [Line Items]        
Goodwill   $ 62    
Restricted Stock Units Rsu And Stock Options        
Business Acquisition [Line Items]        
Unrecognized compensation costs   $ 415 $ 254  
Weighted-average service period (in years)   2 years 4 months 24 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 1 1