Employee Benefit Plans - Schedule of Defined Benefit Plan Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets, amount	$ 34	$ 31	$ 12
Defined benefit plan assets, percentage	100.00%	100.00%
Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets, amount	$ 18	$ 20
Defined benefit plan assets, percentage	54.00%	65.00%
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets, amount	$ 9	$ 7
Defined benefit plan assets, percentage	24.00%	22.00%
Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets, amount	$ 3	$ 0
Defined benefit plan assets, percentage	10.00%	0.00%
Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets, amount	$ 4	$ 4
Defined benefit plan assets, percentage	12.00%	13.00%