BANK DEPOSITS (Tables)

12 Months Ended

Sep. 30, 2024

Deposits [Abstract]

Summary of Bank Deposits

The following table presents a summary of bank deposits, excluding affiliate deposits, as well as the weighted-average interest rates on such deposits. The calculation of the weighted-average rates was based on the actual deposit balances and rates at each respective period end.

	September 30,
	2024				2023
$ in millions	Balance		Weighted-average rate		Balance		Weighted-average rate
Money market and savings accounts	$	32,304	2.18	%	$	32,268	1.85	%
Interest-bearing demand deposits	20,570		4.56	%	18,376		4.98	%
Certificates of deposit	2,612		4.70	%	2,831		4.41	%
Non-interest-bearing demand deposits	524		—		724		—
Total bank deposits	$	56,010	3.18	%	$	54,199	3.06	%

Bank Deposits by Insured and Uninsured

The following table details the amount of total bank deposits (which excludes affiliate deposits) that are FDIC-insured, as well as the amount that exceeded the FDIC insurance limit at each respective period end.

$ in millions	September 30, 2024			September 30, 2023
FDIC-insured bank deposits	$	48,964		$	48,344
Bank deposits exceeding FDIC insurance limit (1) (2)	7,046			5,855
Total bank deposits	$	56,010		$	54,199
FDIC-insured bank deposits as a % of total bank deposits	87		%	89		%

(1)Bank deposits that exceeded the FDIC insurance limit were calculated in accordance with applicable regulatory reporting requirements.

(2)Excluded affiliate deposits exceeding the FDIC insurance limit of $1.05 billion and $764 million as of September 30, 2024 and 2023, respectively.

Scheduled Maturities of Certificates of Deposit

The following table sets forth the amount of certificates of deposit that exceeded the FDIC insurance limit, categorized by the time remaining until maturity, as of September 30, 2024.

$ in millions	September 30, 2024
Three months or less	$	76
Over three through six months	44
Over six through twelve months	30
Over twelve months	11
Total certificates of deposit that exceeded the FDIC insurance limit (1)	$	161

(1)Total certificates of deposit that exceeded the FDIC insurance limit were calculated in accordance with applicable regulatory reporting requirements.

Maturities by Fiscal Year of Certificates of Deposit

The maturities by fiscal year of our certificates of deposit as of September 30, 2024 are presented in the following table.

Fiscal year ended September 30,	$ in millions
2025	$	2,227
2026	322
2027	30
2028	18
2029	15
Total certificates of deposit	$	2,612

Interest Expense on Deposits

Interest expense on deposits, excluding interest expense related to affiliate deposits, is summarized in the following table.

	Year ended September 30,
$ in millions	2024		2023		2022
Money market and savings accounts	$	664	$	527	$	78
Interest-bearing demand deposits	993		469		38
Certificates of deposit	123		84		15
Total interest expense on deposits	$	1,780	$	1,080	$	131