v3.25.2
ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Credit Losses for Other Assets (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of quarter $ 2,206 $ 1,722 $ 1,865 $ 1,788
Gross credit losses (14) (10) (31) (28)
Gross recoveries 9 8 13 13
Net credit losses (NCLs) (5) (2) (18) (15)
Net reserve builds (releases) 376 110 402 101
Total provision for credit losses 381 112 420 116
Other, net 117 79 432 22
Allowance for credit losses on other assets at end of quarter 2,699 1,911 2,699 1,911
Cumulative Effect, Period of Adoption, Adjustment        
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of quarter   0   0
Deposits with banks        
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of quarter 19 28 25 31
Gross credit losses 0 0 0 0
Gross recoveries 0 0 0 0
Net credit losses (NCLs) 0 0 0 0
Net reserve builds (releases) 21 (8) 15 (11)
Total provision for credit losses 21 (8) 15 (11)
Other, net 0 1 0 1
Allowance for credit losses on other assets at end of quarter 40 21 40 21
Deposits with banks | Cumulative Effect, Period of Adoption, Adjustment        
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of quarter   0   0
Securities borrowed and purchased under agreements to resell        
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of quarter 4 18 3 27
Gross credit losses 0 0 0 0
Gross recoveries 0 0 0 0
Net credit losses (NCLs) 0 0 0 0
Net reserve builds (releases) 6 14 7 5
Total provision for credit losses 6 14 7 5
Other, net 0 1 0 1
Allowance for credit losses on other assets at end of quarter 10 33 10 33
Securities borrowed and purchased under agreements to resell | Cumulative Effect, Period of Adoption, Adjustment        
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of quarter   0   0
All other assets        
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of quarter 2,183 1,676 1,837 1,730
Gross credit losses (14) (10) (31) (28)
Gross recoveries 9 8 13 13
Net credit losses (NCLs) (5) (2) (18) (15)
Net reserve builds (releases) 349 104 380 107
Total provision for credit losses 354 106 398 122
Other, net 117 77 432 20
Allowance for credit losses on other assets at end of quarter $ 2,649 1,857 $ 2,649 1,857
All other assets | Cumulative Effect, Period of Adoption, Adjustment        
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of quarter   $ 0   $ 0