Summary of Fair Value of Company's Plan Assets (Detail) - Fair Value, Inputs, Level 2 - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 101	$ 107
Total	445	457
Non-U.S. Bonds | Corporate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	77	80
Insurance Contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	16	18
Common Collective Trusts
Defined Benefit Plan Disclosure [Line Items]
Investments measured at net asset value	343	351
Other Investment
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 8	$ 10