Income Taxes - Income Source (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes
Domestic	$ 2,779	$ 2,211	$ 1,780
Foreign	139	138	113
Income before income taxes	$ 2,918	$ 2,349	$ 1,893