CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Principal transactions	$ 147	$ 97
Noninterest Income	2,057	1,763
Interest income	203	297
Total revenues	2,260	2,060
Interest expense	(38)	(51)
Net revenues	2,222	2,009
Non-interest expenses:
Compensation, commissions and benefits	1,500	1,351
Non-compensation expenses:
Communications and information processing	99	94
Occupancy and equipment	57	57
Business development	23	44
Investment sub-advisory fees	28	26
Professional fees	30	21
Bank loan provision/(benefit) for credit losses	14	(2)
Acquisition-related expenses	2	0
Other	70	59
Total non-compensation expenses	323	299
Total non-interest expenses	1,823	1,650
Pre-tax income	399	359
Provision for income taxes	87	91
Net income	$ 312	$ 268
Earnings per common share – basic (in dollars per share)	$ 2.27	$ 1.93
Earnings per common share – diluted (in dollars per share)	$ 2.23	$ 1.89
Weighted-average common shares outstanding – basic (in shares)	136.8	138.3
Weighted-average common and common equivalent shares outstanding – diluted (in shares)	139.7	141.5
Other comprehensive (loss) income, net of tax:
Available-for-sale securities	$ (17)	$ (1)
Currency translations, net of the impact of net investment hedges	18	9
Cash flow hedges	5	10
Total other comprehensive income, net of tax	6	18
Total comprehensive income	318	286
Asset management and related administrative fees
Revenues:
Revenue from contract with customer	1,067	955
Total brokerage revenues
Revenues:
Noninterest Income	528	460
Securities commissions
Revenues:
Revenue from contract with customer	381	363
Account and service fees
Revenues:
Revenue from contract with customer	145	178
Investment banking
Revenues:
Revenue from contract with customer	261	141
Other
Revenues:
Noninterest Income	$ 56	$ 29