Stock Compensation Plans - Stock-Based Compensation Expense Included in Consolidated Statement of Income and Comprehensive Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 67	$ 51	$ 62
Less tax benefit	(11)	(8)	(13)
Total stock-based compensation, net of tax	56	43	49
Equity-based awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	65	49	54
Liability-based awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 2	$ 2	$ 8