v3.26.1
BANK DEPOSITS (Tables)
 6 Months Ended
Mar. 31, 2026
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.
March 31, 2026September 30, 2025
$ in millionsBalanceWeighted-average rateBalanceWeighted-average rate
Money market and savings accounts$37,532 1.30 %$33,881 1.60 %
Interest-bearing demand deposits22,032 3.38 %22,532 3.86 %
Certificates of deposit2,320 3.90 %1,937 4.21 %
Non-interest-bearing demand deposits539 — 547 — 
Total bank deposits$62,423 2.14 %$58,897 2.56 %
Bank Deposits by Insured and Uninsured
The following table details the amount of total bank deposits (which excluded affiliate deposits) that are FDIC-insured, as well as the amount that exceeded the FDIC insurance limit at each respective period end.
$ in millionsMarch 31, 2026September 30, 2025
FDIC-insured bank deposits$52,188 $49,117 
Bank deposits exceeding FDIC insurance limit (1) (2)
10,235 9,780 
Total bank deposits$62,423 $58,897 
FDIC-insured bank deposits as a % of total bank deposits84 %83 %

(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 $1.50 billion and $1.24 billion as of March 31, 2026 and September 30, 2025, respectively.
Schedule of Maturities of Certificates of Deposit that Exceeded FDIC Limit
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 March 31, 2026.
$ in millionsMarch 31, 2026
Three months or less
$70 
Over three through six months
51 
Over six through twelve months
21 
Over twelve months278 
Total certificates of deposit that exceeded the FDIC insurance limit (1)
$420 

(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 March 31, 2026 are presented in the following table.
$ in millions
Remainder of 2026$1,140 
2027635 
2028408 
202962 
203050 
Thereafter25 
Total certificates of deposit$2,320 
Interest Expense on Deposits
Interest expense on deposits, excluding interest expense related to affiliate deposits, is summarized in the following table.
Three months ended March 31,Six months ended March 31,
$ in millions2026202520262025
Money market and savings accounts$115 $140 $242 $304 
Interest-bearing demand deposits182 206 385 434 
Certificates of deposit22 24 42 52 
Total interest expense on deposits$319 $370 $669 $790