BANK DEPOSITS (Tables)

9 Months Ended

Jun. 30, 2021

Deposits [Abstract]

Summary of Bank Deposits

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

	June 30, 2021				September 30, 2020
$ in millions	Balance		Weighted-average rate		Balance		Weighted-average rate
Savings and money market accounts	$	29,257	0.01	%	$	25,604	0.01	%
Certificates of deposit	880		1.91	%	1,017		1.94	%
NOW accounts	171		1.76	%	156		1.92	%
Demand deposits (non-interest-bearing)	32		—		24		—
Total bank deposits	$	30,340	0.07	%	$	26,801	0.09	%

Scheduled Maturities of Certificates of Deposit

The following table sets forth the scheduled maturities of certificates of deposit.

	June 30, 2021				September 30, 2020
$ in millions	Denominations greater than or equal to $100,000		Denominations less than $100,000		Denominations greater than or equal to $100,000		Denominations less than $100,000
Three months or less	$	29	$	26	$	59	$	76
Over three through six months	11		85		26		18
Over six through twelve months	33		104		19		26
Over one through two years	61		149		43		206
Over two through three years	55		157		67		170
Over three through four years	6		149		37		165
Over four through five years	8		7		7		98
Total certificates of deposit	$	203	$	677	$	258	$	759

Interest Expense on Deposits

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

	Three months ended June 30,				Nine months ended June 30,
$ in millions	2021		2020		2021		2020
Savings, money market, and NOW accounts	$	1	$	2	$	4	$	20
Certificates of deposit	4		5		13		15
Total interest expense on deposits	$	5	$	7	$	17	$	35