INTEREST INCOME AND INTEREST EXPENSE (Tables)

6 Months Ended

Mar. 31, 2024

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 March 31,				Six months ended March 31,
$ in millions	2024		2023		2024		2023
Interest income:
Cash and cash equivalents	$	128	$	75	$	260	$	130
Assets segregated for regulatory purposes and restricted cash	47		55		94		105
Trading assets — debt securities	19		13		34		27
Available-for-sale securities	56		54		112		107
Brokerage client receivables	47		41		92		82
Bank loans, net	727		657		1,461		1,256
All other	25		20		49		35
Total interest income	$	1,049	$	915	$	2,102	$	1,742
Interest expense:
Bank deposits	$	441	$	206	872		$	378
Trading liabilities — debt securities	11		7		22		17
Brokerage client payables	21		23		41		40
Other borrowings	8		9		16		18
Senior notes payable	23		23		46		46
All other	16		16		30		26
Total interest expense	$	520	$	284	$	1,027	$	525
Net interest income	$	529	$	631	$	1,075	$	1,217
Bank loan provision for credit losses	(21)		(28)		(33)		(42)
Net interest income after bank loan provision for credit losses	$	508	$	603	$	1,042	$	1,175