XML 37 R25.htm IDEA: XBRL DOCUMENT v3.23.1
Stockholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2023
Stockholders' Equity Note [Abstract]  
Summary of Activity Related to Stock Option Plans
A summary of the activities related to the Company’s stock option plans is as follows:
Options Outstanding
Shares
Available
for Grant		Number of
Shares		Weighted-
Average
Exercise Price
(per share)		Weighted-Average
Remaining
Contractual Term
(in years)		Aggregate Intrinsic Value
(in thousands)
Balances as of December 31, 202216,454,103 19,896,861 $242.22 
Granted
(591,343)591,343 317.39
Exercised
— (412,158)62.29 
Expired
— (574)13.14 
Balances as of March 31, 202315,862,760 20,075,472 $248.14 5.58$2,545,760 
Vested and expected to vest as of March 31, 202320,075,472 $248.14 5.58$2,545,760 
Exercisable as of March 31, 202320,014,050 $247.85 5.56$2,544,913 
Summary of Amounts Related to Option Exercises
A summary of the amounts related to option exercises, is as follows:
Three Months Ended
March 31,
2023		March 31,
2022
(in thousands)
Total intrinsic value of options exercised$116,310 $114,762 
Cash received from options exercised26,028 13,678 
Summary of Assumptions Used to Value Stock Option Grants Using Lattice-Binomial Model The following table summarizes the assumptions used to value option grants using the lattice-binomial model and the valuation data:
Three Months Ended
March 31,
2023		March 31,
2022
Dividend yield— %— %
Expected volatility46 %38 %
Risk-free interest rate3.63 %1.71 %
Suboptimal exercise factor4.22 4.71 
Weighted-average fair value (per share)$186 $228 
Total stock-based compensation expense (in thousands)$99,099 $119,209 
Total income tax impact on provision (in thousands)$21,711 $26,413