Stock-Based Compensation Plans - Summary of Stock Option Activity (Detail) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding beginning balance (in shares) | shares	2,198,664
Granted (in shares) | shares	133,834
Exercised (in shares) | shares	(1,026,259)
Expired (in shares) | shares	(345,406)
Outstanding ending balance (in shares) | shares	960,833
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, weighted average grant date fair value beginning balance (in USD per share) | $ / shares	$ 152.33
Granted, weighted average grant date fair value (in USD per share) | $ / shares	138.10
Exercised, weighted average grant date fair value (in USD per share) | $ / shares	142.00
Expired, weighted average grant date fair value (in USD per share) | $ / shares	166.48
Outstanding, weighted average grant date fair value ending balance (in USD per share) | $ / shares	$ 156.30
Options outstanding, weighted average remaining contractual term	6 years 2 months 12 days
Options outstanding, Aggregate intrinsic value (in US dollars) | $	$ 30,664
Options exercisable, number of options (in shares) | shares	654,215
Options exercisable, weighted average exercise price per share (in US dollars per share) | $ / shares	$ 158.70
Options exercisable, weighted average remaining contractual term	5 years 3 months 18 days
Options exercisable, aggregate intrinsic value (in USD) | $	$ 19,371