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Stock-Based Compensation - Schedule of Number and Weighted Average Exercise Price of Options Issued and Outstanding under all Stock Option Plans (Detail)
shares in Millions
 9 Months Ended
Sep. 30, 2023
$ / shares
shares
Shares  
Options outstanding, beginning of period (in shares) | shares 2.9
Granted (in shares) | shares 0.1
Canceled (in shares) | shares 0.0
Exercised (in shares) | shares (0.2)
Options outstanding, end of period (in shares) | shares 2.8
Options exercisable, end of period (in shares) | shares 2.4
Weighted-Average Exercise Price  
Options outstanding, beginning of period (in usd per share) | $ / shares $ 83.85
Granted (in usd per share) | $ / shares 177.29
Canceled (in usd per share) | $ / shares 172.15
Exercised (in usd per share) | $ / shares 43.57
Options outstanding, end of period (in usd per share) | $ / shares 88.24
Options exercisable, end of period (in dollars per share) | $ / shares $ 73.68