Stock Incentive Plan - Additional Information (Detail) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares from treasury stock utilized by the Plan	16	20	117	112
Restricted Stock Units And Performance Stock Units
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock compensation cost	$ 4	$ 3	$ 8	$ 8