CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 437	$ 510
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	58	53
Deferred income taxes	(14)	(1)
Premium and discount amortization on available-for-sale securities and loss on other investments	43	7
Provisions for loan losses, legal and regulatory proceedings and bad debts	124	38
Share-based compensation expense	74	65
Unrealized (gain)/loss on company-owned life insurance policies, net of expenses	76	8
Other	(4)	27
Net change in:
Securities purchased under agreements to resell, net of securities sold under agreements to repurchase	273	(53)
Securities loaned, net of securities borrowed	(297)	319
Loans provided to financial advisors, net of repayments	(11)	1
Brokerage client receivables and other accounts receivable, net	(203)	587
Trading instruments, net	0	(36)
Derivative instruments, net	(25)	(93)
Other assets	(176)	(118)
Brokerage client payables and other accounts payable	2,937	(1,088)
Accrued compensation, commissions and benefits	(340)	(229)
Proceeds from sales of securitizations and loans held for sale, net of purchases and originations of loans held for sale	(9)	23
Net cash provided by operating activities	2,943	20
Cash flows from investing activities:
Additions to property and equipment	(71)	(59)
Increase in bank loans, net	(1,066)	(779)
Proceeds from sales of loans held for investment	25	184
Purchases of available-for-sale securities	(1,403)	(509)
Available-for-sale securities maturations, repayments and redemptions	435	295
Other investing activities, net	(10)	(42)
Net cash used in investing activities	(2,090)	(910)
Cash flows from financing activities:
Proceeds from senior notes issuances, net of debt issuance costs paid	495	0
Exercise of stock options and employee stock purchases	43	43
Increase in bank deposits	7,742	1,676
Purchases of treasury stock	(222)	(521)
Dividends on common stock	(103)	(95)
Distributions to noncontrolling interests, net	(1)	(1)
Net cash provided by financing activities	7,951	1,099
Currency adjustment:
Effect of exchange rate changes on cash	(82)	(31)
Net increase in cash and cash equivalents and cash and cash equivalents segregated pursuant to regulations	8,722	178
Cash, cash equivalents, and cash segregated pursuant to regulations at beginning of year	5,971	5,941
Cash and cash equivalents and cash and cash equivalents segregated pursuant to regulations at end of period	14,693	6,119
Cash and cash equivalents	10,648	3,831
Cash and cash equivalents segregated pursuant to regulations	4,045	2,288
Supplemental disclosures of cash flow information:
Cash paid for interest	92	147
Cash paid for income taxes, net	176	188
RJF Credit Facility
Cash flows from financing activities:
Proceeds from borrowings on the RJF Credit Facility	0	300
Repayments of borrowings on the RJF Credit Facility	0	300
FHLB advances
Cash flows from financing activities:
Proceeds from Federal Home Loan Bank advances	850	0
Repayments of Federal Home Loan Bank advances and other borrowed funds	$ (853)	$ (3)