CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Principal transactions	$ 105	$ 128	$ 364	$ 403
Interest income	987	374	2,729	841
Total revenues	3,293	2,778	9,477	8,307
Interest expense	(386)	(60)	(911)	(135)
Net revenues	2,907	2,718	8,566	8,172
Non-interest expenses:
Compensation, commissions and benefits	1,851	1,834	5,407	5,570
Non-compensation expenses:
Communications and information processing	149	129	441	368
Occupancy and equipment	68	65	202	186
Business development	66	58	176	127
Investment sub-advisory fees	40	38	110	116
Professional fees	35	38	105	93
Bank loan provision for credit losses	54	56	96	66
Other	158	85	334	240
Total non-compensation expenses	570	469	1,464	1,196
Total non-interest expenses	2,421	2,303	6,871	6,766
Pre-tax income	486	415	1,695	1,406
Provision for income taxes	117	114	390	336
Net income	369	301	1,305	1,070
Preferred stock dividends	0	2	4	2
Net income available to common shareholders, basic	369	299	1,301	1,068
Net income available to common shareholders, diluted	$ 369	$ 299	$ 1,301	$ 1,068
Earnings per common share – basic (in dollars per share)	$ 1.75	$ 1.41	$ 6.09	$ 5.12
Earnings per common share – diluted (in dollars per share)	$ 1.71	$ 1.38	$ 5.95	$ 4.99
Weighted-average common shares outstanding – basic (in shares)	210.1	210.7	213.0	208.1
Weighted-average common and common equivalent shares outstanding – diluted (in shares)	214.8	215.7	218.0	213.5
Net income	$ 369	$ 301	$ 1,305	$ 1,070
Other comprehensive (loss) income, net of tax:
Available-for-sale securities	(76)	(157)	68	(532)
Currency translations, net of the impact of net investment hedges	20	(40)	73	(51)
Cash flow hedges	12	10	(1)	48
Total other comprehensive income/(loss), net of tax	(44)	(187)	140	(535)
Total comprehensive income	325	114	1,445	535
Asset management and related administrative fees
Revenues:
Revenue from contract with customer	1,373	1,427	3,917	4,273
Total brokerage revenues
Revenues:
Total brokerage revenues	461	513	1,441	1,635
Securities commissions
Revenues:
Revenue from contract with customer	356	385	1,077	1,232
Account and service fees
Revenues:
Revenue from contract with customer	264	211	811	567
Investment banking
Revenues:
Revenue from contract with customer	151	223	446	883
Other
Revenues:
Revenue from contract with customer	$ 57	$ 30	$ 133	$ 108