v3.22.0.1
Equity Awards - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Number of Shares      
Number of shares, outstanding, beginning balance (in shares) 522 1,154  
Number of shares granted (in shares) 1,052    
Number of shares, exercised (in shares) (267) (621)  
Number of shares, canceled (in shares) (2) (11)  
Number of shares, outstanding, ending balance (in shares) 1,305 522 1,154
Number of shares, vested and expected to vest (in shares) 1,037    
Number of shares, vested and exercisable (in shares) 178    
Weighted- Average Exercise Price Per Share      
Weighted-average exercise price, outstanding, beginning balance (in USD per share) $ 107.14 $ 77.70  
Weighted-average exercise price, granted (in USD per share) 676.77    
Weighted-average exercise price, exercised (in USD per share) 59.60 52.98  
Weighted-average exercise price, canceled (in USD per share) 84.24 75.77  
Weighted-average exercise price, outstanding, ending balance (in USD per share) 551.39 $ 107.14 $ 77.70
Weighted-average exercise price, vested and expected to vest (in USD per share) 528.37    
Weighted-average exercise price, vested and exercisable (in USD per share) $ 92.06    
Weighted-average remaining contractual life (in years) 8 years 9 months 18 days    
Weighted-average remaining contractual term, vested and expected to vest (in years) 8 years 7 months 6 days    
Weighted-average remaining contractual term, vested and exercisable (in years) 3 years 8 months 12 days    
Total intrinsic value of options exercised $ 140 $ 199 $ 138
Aggregate intrinsic value, outstanding 157    
Aggregate intrinsic value, vested and expected to vest 148    
Aggregate intrinsic value, vested and exercisable $ 99