Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue
Investment banking fees	$ 2,231	$ 1,722	$ 6,489	$ 4,884
Principal transactions	5,988	6,210	19,592	20,735
Lending- and deposit-related fees	1,924	2,039	5,654	5,487
Asset management fees	4,479	3,904	12,927	11,143
Commissions and other fees	1,936	1,705	5,665	5,139
Investment securities losses	(16)	(669)	(929)	(2,437)
Mortgage fees and related income	402	414	1,025	913
Card income	1,345	1,209	3,895	3,537
Other income	960	614	11,237	4,913
Noninterest revenue	19,249	17,148	65,555	54,314
Interest income	50,416	44,556	146,367	123,204
Interest expense	27,011	21,830	77,134	57,988
Net interest income	23,405	22,726	69,233	65,216
Total net revenue	42,654	39,874	134,788	119,530
Provision for credit losses	3,111	1,384	8,047	6,558
Noninterest expense
Compensation expense	12,817	11,726	38,888	34,618
Occupancy expense	1,258	1,197	3,717	3,382
Technology, communications and equipment expense	2,447	2,386	7,315	6,837
Professional and outside services	2,780	2,620	8,050	7,629
Marketing	1,258	1,126	3,639	3,293
Other expense	2,005	2,702	7,426	6,927
Total noninterest expense	22,565	21,757	69,035	62,686
Income/(loss) before income tax expense/(benefit)	16,978	16,733	57,706	50,286
Income tax expense	4,080	3,582	13,240	10,041
Net income/(loss)	12,898	13,151	44,466	40,245
Basic net income applicable to common stockholders	12,537	12,685	43,199	38,889
Diluted net income applicable to common stockholders	$ 12,537	$ 12,685	$ 43,199	$ 38,889
Net income per common share data
Basic earnings per share (in dollars per share)	$ 4.38	$ 4.33	$ 14.97	$ 13.20
Diluted earnings per share (in dollars per share)	$ 4.37	$ 4.33	$ 14.94	$ 13.18
Weighted-average basic shares (in shares)	2,860.6	2,927.5	2,886.2	2,946.6
Weighted-average diluted shares (in shares)	2,865.9	2,932.1	2,891.2	2,951.0