INTEREST INCOME AND INTEREST EXPENSE

6 Months Ended

Mar. 31, 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 March 31,				Six months ended March 31,
$ in millions	2023		2022		2023		2022
Interest income:
Cash and cash equivalents	$	75	$	3	$	130	$	6
Assets segregated for regulatory purposes and restricted cash	55		7		105		11
Trading assets — debt securities	13		4		27		9
Available-for-sale securities	54		25		107		47
Brokerage client receivables	41		21		82		42
Bank loans, net	657		171		1,256		335
All other	20		11		35		17
Total interest income	$	915	$	242	$	1,742	$	467
Interest expense:
Bank deposits	$	206	$	5	378		$	11
Trading liabilities — debt securities	7		1		17		2
Brokerage client payables	23		—		40		1
Other borrowings	9		4		18		9
Senior notes payable	23		23		46		46
All other	16		5		26		6
Total interest expense	$	284	$	38	$	525	$	75
Net interest income	$	631	$	204	$	1,217	$	392
Bank loan provision for credit losses	(28)		(21)		(42)		(10)
Net interest income after bank loan provision for credit losses	$	603	$	183	$	1,175	$	382

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