CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Asset-based revenues:
Bank deposit account fees	$ 454	$ 428
Net interest revenue	359	376
Investment product fees	145	143
Total asset-based revenues	958	947
Transaction-based revenues:
Transaction fees and commissions	305	537
Other revenues	28	32
Net revenues	1,291	1,516
Operating expenses:
Employee compensation and benefits	331	317
Clearing and execution costs	50	49
Communications	38	42
Occupancy and equipment costs	65	68
Depreciation and amortization	42	35
Amortization of acquired intangible assets	30	31
Professional services	97	74
Advertising	80	58
Other	37	46
Total operating expenses	770	720
Operating income	521	796
Other expense (income):
Interest on borrowings	32	32
Other income, net	(2)	(14)
Total other expense, net	30	18
Pre-tax income	491	778
Provision for income taxes	112	174
Net income	$ 379	$ 604
Earnings per share - basic (in USD per share)	$ 0.70	$ 1.07
Earnings per share - diluted (in USD per share)	$ 0.70	$ 1.07
Weighted average shares outstanding - basic (in shares)	541	562
Weighted average shares outstanding - diluted (in shares)	543	564