Income Taxes (Components of Income Tax Expense) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current
U.S. federal	$ 102	$ 137	$ 25
U.S. state and local	16	20	13
Foreign	504	325	301
Total current income tax expense	622	482	339
Deferred
U.S. federal	(153)	(79)	12
U.S. state and local	(14)	(7)	3
Foreign	(16)	(71)	20
Total deferred income tax (benefit)/expense	(183)	(157)	35
Total income tax expense	$ 439	$ 325	$ 374