Stock Compensation Plans - SSAR's and Stock Option - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SSAR's [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term, in years	7 years
Unrecognized compensation cost related to non-vested stock options and SSAR, RSU, PRS and Cash RSU awards granted	$ 1
Unrecognized compensation cost related to non-vested stock options and SSAR, RSU, PRS and Cash RSU awards granted, weighted average period, in years	1 year 1 month 20 days
SSAR's and Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average exercise price, exercisable (USD per share)	$ 109.59	$ 109.50	$ 109.77
Intrinsic value of options/SSAR's exercised	$ 1	$ 2	$ 3