CONDENSED FINANCIAL INFORMATION (PARENT COMPANY ONLY), Condensed Statement of Financial Condition (Details) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Assets:
Cash and cash equivalents	$ 6,178	$ 7,201	$ 5,390
Assets segregated for regulatory purposes and restricted cash ($1 and $1 at fair value)	8,481	11,348
Investments in consolidated subsidiaries:
Goodwill and identifiable intangible assets, net	1,931	882
Other assets	264	161
Total assets	80,951	61,891
Liabilities and shareholders’ equity:
Accrued compensation, commissions and benefits	1,787	1,825
Other payables	1,768	1,701
Total liabilities	71,519	53,588
Equity	9,458	8,245
Total liabilities and shareholders’ equity	80,951	61,891
RJF Parent Company
Assets:
Cash and cash equivalents	629	527	$ 478
Assets segregated for regulatory purposes and restricted cash ($1 and $1 at fair value)	31	478
Intercompany receivables from subsidiaries (primarily non-bank subsidiaries)	1,624	877
Investments in consolidated subsidiaries:
Bank subsidiaries	3,549	2,594
Non-bank subsidiaries	5,611	5,703
Goodwill and identifiable intangible assets, net	32	32
Other assets	907	1,055
Total assets	12,383	11,266
Liabilities and shareholders’ equity:
Accrued compensation, commissions and benefits	715	798
Bank subsidiaries	0	2
Non-bank subsidiaries	17	33
Senior notes payable	2,038	2,037
Other payables	155	151
Total liabilities	2,925	3,021
Equity	9,458	8,245
Total liabilities and shareholders’ equity	12,383	11,266
Assets segregated pursuant to regulations, fair value	$ 1	$ 1