INTEREST INCOME AND INTEREST EXPENSE (Tables)

9 Months Ended

Jun. 30, 2023

Interest Income (Expense), Net [Abstract]

Interest Income and Interest Expense

The following table details the components of interest income and interest expense.

	Three months ended June 30,				Nine months ended June 30,
$ in millions	2023		2022		2023		2022
Interest income:
Cash and cash equivalents	$	109	$	10	$	239	$	16
Assets segregated for regulatory purposes and restricted cash	47		28		152		39
Trading assets — debt securities	13		4		40		13
Available-for-sale securities	56		37		163		84
Brokerage client receivables	42		24		124		66
Bank loans, net	698		255		1,954		590
All other	22		16		57		33
Total interest income	$	987	$	374	$	2,729	$	841
Interest expense:
Bank deposits	$	312	$	20	690		$	31
Trading liabilities — debt securities	9		1		26		3
Brokerage client payables	17		3		57		4
Other borrowings	12		6		30		15
Senior notes payable	23		23		69		69
All other	13		7		39		13
Total interest expense	$	386	$	60	$	911	$	135
Net interest income	$	601	$	314	$	1,818	$	706
Bank loan provision for credit losses	(54)		(56)		(96)		(66)
Net interest income after bank loan provision for credit losses	$	547	$	258	$	1,722	$	640