Stock Compensation Plans - Restricted Stock Units Plan - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
RSU's [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	100.00%
Vesting period, in years	3 years
Total fair value of vested	$ 38
Unrecognized compensation cost related to non-vested stock options and SSAR, RSU, PRS and Cash RSU awards granted	$ 67
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 11 months 8 days
Purchased Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total fair value of vested	$ 3
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 21 days