v3.25.2
SEGMENT INFORMATION, Information Concerning Operations (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
segment
Jun. 30, 2024
USD ($)
Sep. 30, 2024
USD ($)
Segment Reporting Information [Line Items]          
Number of reportable segments | segment     5    
Net revenues:          
Total net revenues $ 3,398 $ 3,228 $ 10,338 $ 9,359  
Pre-tax income/(loss):          
Total pre-tax income 563 644 1,983 1,883  
Net interest income (expense):          
Net interest income 546 523 1,596 1,598  
Total assets:          
Total assets 84,815   84,815   $ 82,992
Goodwill and Intangible Assets:          
Goodwill 1,455   1,455   1,451
Operating segments | Private Client Group          
Net revenues:          
Total net revenues 2,488 2,416 7,522 6,983  
Pre-tax income/(loss):          
Total pre-tax income 411 441 1,304 1,324  
Net interest income (expense):          
Net interest income 91 89 276 273  
Total assets:          
Total assets 14,236   14,236   13,413
Goodwill and Intangible Assets:          
Goodwill 581   581   578
Operating segments | Capital Markets          
Net revenues:          
Total net revenues 381 330 1,257 989  
Pre-tax income/(loss):          
Total pre-tax income (54) (14) 56 (28)  
Net interest income (expense):          
Net interest income 3 2 10 5  
Total assets:          
Total assets 2,991   2,991   3,518
Goodwill and Intangible Assets:          
Goodwill 276   276   275
Operating segments | Asset Management          
Net revenues:          
Total net revenues 291 265 874 752  
Pre-tax income/(loss):          
Total pre-tax income 125 112 371 305  
Net interest income (expense):          
Net interest income 3 4 10 10  
Total assets:          
Total assets 633   633   616
Goodwill and Intangible Assets:          
Goodwill 69   69   69
Operating segments | Bank          
Net revenues:          
Total net revenues 458 418 1,317 1,283  
Pre-tax income/(loss):          
Total pre-tax income 123 115 358 282  
Net interest income (expense):          
Net interest income 440 406 1,273 1,245  
Total assets:          
Total assets 63,561   63,561   62,367
Goodwill and Intangible Assets:          
Goodwill 529   529   529
Operating segments | Other          
Net revenues:          
Total net revenues 9 28 34 71  
Pre-tax income/(loss):          
Total pre-tax income (42) (10) (106) 0  
Net interest income (expense):          
Net interest income 9 22 27 65  
Total assets:          
Total assets 3,394   3,394   $ 3,078
Intersegment eliminations          
Net revenues:          
Total net revenues $ (229) $ (229) $ (666) $ (719)