v3.25.2
INTEREST INCOME AND INTEREST EXPENSE (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Interest income:        
Cash and cash equivalents $ 103 $ 121 $ 331 $ 381
Assets segregated for regulatory purposes and restricted cash 36 46 114 140
Trading assets — debt securities 19 20 57 54
Available-for-sale securities 45 55 142 167
Brokerage client receivables 42 48 128 140
Bank loans, net 715 736 2,123 2,197
All other 30 31 85 80
Total interest income 990 1,057 2,980 3,159
Interest expense:        
Bank deposits 373 446 1,163 1,318
Trading liabilities — debt securities 11 11 32 33
Brokerage client payables 15 22 52 63
Other borrowings 7 7 21 23
Senior notes payable 23 23 69 69
All other 15 25 47 55
Total interest expense 444 534 1,384 1,561
Net interest income 546 523 1,596 1,598
Bank loan provision/(benefit) for credit losses 15 (10) 31 23
Net interest income after bank loan provision/(benefit) for credit losses $ 531 $ 533 $ 1,565 $ 1,575