INTEREST INCOME AND INTEREST EXPENSE

9 Months Ended

Jun. 30, 2023

Interest Income (Expense), Net [Abstract]

INTEREST INCOME AND INTEREST EXPENSE

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

Interest expense related to bank deposits in the preceding table excludes interest expense associated with affiliate deposits, which has been eliminated in consolidation.