Stock Incentive Plan - Additional Information (Detail) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares from treasury stock utilized by the Plan	20	16	112	138
Restricted Stock Units And Performance Stock Units
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock compensation cost	$ 5	$ 3	$ 8	$ 5