Non-U.S. Activities - Schedule of Results From Non-U.S. Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total revenue	$ 12,148	$ 12,027	$ 11,703
Income before income tax expense	3,327	3,171	2,899
Non-U.S.
Segment Reporting Information [Line Items]
Total revenue	5,170	5,397	5,177
Income before income tax expense	1,358	1,590	1,326
U.S.
Segment Reporting Information [Line Items]
Total revenue	6,978	6,630	6,526
Income before income tax expense	$ 1,969	$ 1,581	$ 1,573