v3.26.1
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, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of year $ 186 $ 2,206 $ 147 $ 1,865
Gross credit losses (12) (14) (22) (31)
Gross recoveries 7 9 14 13
Net credit losses (NCLs) (5) (5) (8) (18)
Net reserve builds (releases) (7) 376 23 402
Total provision for credit losses (2) 381 31 420
Other, net (5) 117 4 432
Allowance for credit losses on other assets at end of quarter 174 2,699 174 2,699
Deposits with banks        
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of year 32 19 23 25
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) (14) 21 (6) 15
Total provision for credit losses (14) 21 (6) 15
Other, net 0 0 1 0
Allowance for credit losses on other assets at end of quarter 18 40 18 40
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 year 5 4 5 3
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) (2) 6 (2) 7
Total provision for credit losses (2) 6 (2) 7
Other, net 0 0 0 0
Allowance for credit losses on other assets at end of quarter 3 10 3 10
All other assets        
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward]        
Allowance for credit losses on other assets at beginning of year 149 2,183 119 1,837
Gross credit losses (12) (14) (22) (31)
Gross recoveries 7 9 14 13
Net credit losses (NCLs) (5) (5) (8) (18)
Net reserve builds (releases) 9 349 31 380
Total provision for credit losses 14 354 39 398
Other, net (5) 117 3 432
Allowance for credit losses on other assets at end of quarter $ 153 $ 2,649 $ 153 $ 2,649