Income Taxes - Income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current tax expense (benefit)
U.S. federal	$ 291	$ 486	$ 287
State and local	116	92	87
Non-U.S.	1,491	1,239	1,142
Total current tax expense	1,898	1,817	1,516
Deferred tax expense (benefit)
U.S. federal	57	(12)	63
State and local	5	7	8
Non-U.S.	(146)	(378)	(325)
Total deferred income taxes	(84)	(383)	(254)
Provision for income taxes	$ 1,814	$ 1,434	$ 1,262