Stock Incentive Plan - Additional Information (Detail) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares from treasury stock utilized by the Plan	0	8	118	120
Restricted Stock Units And Performance Stock Units
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock compensation cost	$ 2	$ 3	$ 10	$ 8