Stock-Based Compensation Plans - Summary of Stock Option Activity (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Stock Options Outstanding, Beginning balance	2,340,062
Stock Options Outstanding, Granted	179,551	138,825	178,441
Stock Options Outstanding, Exercised	(262,837)
Stock Options Outstanding, Expired	(58,112)
Stock Options Outstanding, Ending balance	2,198,664	2,340,062
Stock Options Outstanding, Exercisable	1,807,515
Weighted-Average Exercise Price, Outstanding, Beginning balance	$ 148.78
Weighted-Average Exercise Price, Granted	156
Weighted-Average Exercise Price, Exercised	122.45
Weighted-Average Exercise Price, Expired	155.87
Weighted-Average Exercise Price, Outstanding, Ending balance	152.33	$ 148.78
Weighted-Average Exercise Price, Exercisable	$ 151.67
Weighted-Average Life (In Years), Outstanding, Ending balance	5 years 7 months 6 days
Weighted-Average Life (In Years), Exercisable	5 years
Aggregate Intrinsic Value, Outstanding, Ending balance	$ 6
Aggregate Intrinsic Value, Exercisable	$ 5