FAIR VALUE, Level 3 Financial Assets and Liabilities, Narrative (Details)	Mar. 31, 2026	Sep. 30, 2025
Fair Value Disclosures [Abstract]
Instruments measured at fair value, percentage of assets	9.00%	10.00%
Instruments measured at fair value, percentage of liabilities	1.00%	2.00%
Instruments measured at fair value, Level 3, percentage of assets (less than)	1.00%	1.00%

The percentage of assets measured at fair value on a recurring basis categorized as Level 3, to total assets measured at fair value on a recurring basis, as of the balance sheet date.

No definition available.

Name:	rjf_InstrumentsMeasuredAtFairValueLevel3PercentageOfAssets
Namespace Prefix:	rjf_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant