Reportable Operating Segments and Geographic Operations (Details 1) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Revenues And Pretax Income Loss By Geographic Location [Line Items]
Total revenues net of interest expense	$ 52,862	$ 42,380	$ 36,087
Pretax income (loss) from continuing operations	9,585	10,689	4,296
United States
Segment Revenues And Pretax Income Loss By Geographic Location [Line Items]
Total revenues net of interest expense	41,396	33,103	28,263
Pretax income (loss) from continuing operations	10,383	10,325	5,422
EMEA
Segment Revenues And Pretax Income Loss By Geographic Location [Line Items]
Total revenues net of interest expense	4,871	3,643	3,087
Pretax income (loss) from continuing operations	550	460	187
APAC
Segment Revenues And Pretax Income Loss By Geographic Location [Line Items]
Total revenues net of interest expense	3,835	3,418	3,271
Pretax income (loss) from continuing operations	376	420	328
LACC
Segment Revenues And Pretax Income Loss By Geographic Location [Line Items]
Total revenues net of interest expense	2,917	2,238	2,019
Pretax income (loss) from continuing operations	500	494	273
Other Unallocated
Segment Revenues And Pretax Income Loss By Geographic Location [Line Items]
Total revenues net of interest expense	(157)	(22)	(553)
Pretax income (loss) from continuing operations	$ (2,224)	$ (1,010)	$ (1,914)