XML 123 R105.htm IDEA: XBRL DOCUMENT v3.20.1
Option Activity Baidu. Inc (Detail) - Parent Company - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Number of shares    
Outstanding, December 31, 2018 225,684  
Granted 231,152  
Exercised (11,849)  
Forfeited/Cancelled (71,806)  
Outstanding, December 31, 2019 373,181 225,684
Vested and expected to vest at December 31, 2019 297,956  
Exercisable at December 31, 2019 122,933  
Weighted average exercise price (US$)    
Outstanding, December 31, 2018 $ 1,751  
Granted 980  
Exercised 221  
Forfeited/Cancelled 1,715  
Outstanding, December 31, 2019 1,329 $ 1,751
Vested and expected to vest at December 31, 2019 1,373  
Exercisable at December 31, 2019 $ 1,777  
Weighted average remaining contractual life (Years)    
Outstanding, December 31, 2019 8 years 7 years
Vested and expected to vest at December 31, 2019 8 years  
Exercisable at December 31, 2019 5 years  
Aggregate intrinsic value (US$ in millions)    
Outstanding, December 31, 2018 $ 40  
Outstanding, December 31, 2019 72 $ 40
Vested and expected to vest at December 31, 2019 53  
Exercisable at December 31, 2019 $ 7