Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Stock Options Activity Under Share-Based Payment Plans (Details)

v3.20.4
Benefit Plans - Stock Options Activity Under Share-Based Payment Plans (Details) - Employees and Non Employee Stock Option - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Options      
Outstanding as of beginning of period (in shares) 208 243 280
Granted (in shares) 11 15 32
Options granted in connection with Pandora Acquisition (in shares)   7  
Exercised (in shares) (33) (53) (65)
Forfeited, cancelled or expired (in shares) (2) (4) (4)
Outstanding as of end of period (in shares) 184 208 243
Exercisable (in shares) 147    
Weighted- Average Exercise Price Per Share      
Outstanding as of beginning of period ( in USD per share) $ 4.46 $ 4.22 $ 3.76
Options granted in connection with Pandora Acquisition (in USD per share)   3.85  
Granted ( in USD per share) 6.87 6.10 6.59
Exercised ( in USD per share) 3.66 3.65 3.35
Forfeited, cancelled or expired ( in USD per share) 6.28 5.58 4.76
Outstanding as of end of period ( in USD per share) 4.73 $ 4.46 $ 4.22
Exercisable ( in USD per share) $ 4.31    
Weighted- Average Remaining Contractual Term (Years)      
Outstanding 4 years 9 months 18 days    
Exercisable 3 years 11 months 15 days    
Aggregate Intrinsic Value      
Outstanding $ 318    
Exercisable $ 309