CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions	Total	Common stock, par value $.01 per share	Additional paid-in capital	Retained earnings	Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Treasury stock	Accumulated other comprehensive income/ (loss)	Total equity attributable to Raymond James Financial, Inc.	Noncontrolling interests
Balance beginning of period at Sep. 30, 2019		$ 2	$ 1,938	$ 5,874	$ 0	$ (1,210)	$ (23)		$ 62
Changes in Shareholders' Equity:
Share issuances		0
Employee stock purchases			6
Exercise of stock options and vesting of restricted stock units, net of forfeitures			(63)			66
Restricted stock, stock option and restricted stock unit expense			41
Net income attributable to Raymond James Financial, Inc.	$ 268			268
Cash dividends declared (see Note 20)				(56)
Purchases/surrenders						(19)
Other comprehensive income, net of tax	18						18
Net income/(loss) attributable to noncontrolling interests									(1)
Balance end of period at Dec. 31, 2019	6,903	2	1,922	6,086		(1,163)	(5)	$ 6,842	61
Balance beginning of period at Sep. 30, 2020	$ 7,176	2	2,007	6,484	$ (35)	(1,390)	11		62
Changes in Shareholders' Equity:
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member
Share issuances		0
Employee stock purchases			6
Exercise of stock options and vesting of restricted stock units, net of forfeitures			(59)			54
Restricted stock, stock option and restricted stock unit expense			42
Net income attributable to Raymond James Financial, Inc.	$ 312			312
Cash dividends declared (see Note 20)				(59)
Purchases/surrenders						(18)
Other comprehensive income, net of tax	6						6
Net income/(loss) attributable to noncontrolling interests									13
Balance end of period at Dec. 31, 2020	$ 7,438	$ 2	$ 1,996	$ 6,702		$ (1,354)	$ 17	$ 7,363	$ 75