Summary of Fair Value of Company's Plan Assets (Detail) - Fair Value, Inputs, Level 2 - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 71	$ 63
Total	274	264
Government | Corporate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	24	15
Non-U.S. Bonds | Corporate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21	23
Insurance Contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17	14
Common Collective Trusts
Defined Benefit Plan Disclosure [Line Items]
Investments measured at net asset value	203	201
Other Investment
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 10	$ 11