CONDENSED FINANCIAL INFORMATION (PARENT COMPANY ONLY), Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 30, 2021
Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net assets available for distribution to Parent	$ 125
Net assets restricted from being transferred to Parent	5,100
RJF Parent Company
Condensed Financial Statements, Captions [Line Items]
Unrestricted cash and cash equivalents available to Parent	1,910	$ 1,160
Intercompany receivables from subsidiaries (primarily non-bank subsidiaries)	1,624	877
RJF parent cash deposited with RJ Bank	260	229
RJF parent cash deposited with RJ bank, unrestricted	230	152
RJF Parent Company | Raymond James and Associates Inc
Condensed Financial Statements, Captions [Line Items]
Intercompany receivables from subsidiaries (primarily non-bank subsidiaries)	$ 1,300	$ 649
Raymond James and Associates Inc
Condensed Financial Statements, Captions [Line Items]
Ratio of net capital to aggregate debit balances required by loan covenants	10.00%