v3.25.2
VARIABLE INTEREST ENTITIES, Primary Beneficiary - Carrying Value of Assets, Liabilities and Equity (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Sep. 30, 2024
Jun. 30, 2024
Sep. 30, 2023
Assets:        
Cash and cash equivalents and assets segregated for regulatory purposes and restricted cash $ 12,965 $ 14,348 $ 12,736 $ 12,548
Other assets 3,457 3,357    
Total assets 84,815 82,992    
Liabilities:        
Other payables 1,973 1,938    
Total liabilities 72,554 71,325    
Noncontrolling interests 2 (6)    
Variable Interest Entity, Primary Beneficiary        
Assets:        
Total assets 117 155    
Liabilities:        
Total liabilities 61 79    
Variable Interest Entity, Primary Beneficiary | Carrying amount        
Assets:        
Cash and cash equivalents and assets segregated for regulatory purposes and restricted cash 20 17    
Other assets 69 119    
Total assets 89 136    
Liabilities:        
Other payables 24 37    
Total liabilities 24 37    
Noncontrolling interests $ 2 $ (6)