Income Taxes - Components of Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current
U.S. federal	$ 1,190	$ 2,518	$ 2,554
U.S. state and local	542	442	475
Current income tax expense (benefit)	3,046	3,759	4,544
Deferred
U.S. federal	(295)	(803)	(11)
U.S. state and local	(59)	(142)	33
Deferred income tax expense (benefit)	(463)	(849)	4
Provision for income taxes	2,583	2,910	4,548
Brazil
Current
Non-U.S.	437	24	197
Deferred
Non-U.S.	(43)	25	38
U.K.
Current
Non-U.S.	267	405	551
Deferred
Non-U.S.	12	55	(37)
Japan
Current
Non-U.S.	139	105	105
Deferred
Non-U.S.	(13)	20	4
Hong Kong
Current
Non-U.S.	39	29	192
Deferred
Non-U.S.	(2)	(1)	(9)
Other
Current
Non-U.S.	432	236	470
Deferred
Non-U.S.	$ (63)	$ (3)	$ (14)