v3.26.1
ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses Roll Forward by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Allowance for credit losses          
Allowance for credit losses on loans (ACLL) at beginning of period $ 19,636 $ 18,726 $ 19,247 $ 18,574  
Charge-offs (2,981) (2,723) (5,801) (5,649)  
Recoveries 577 489 1,189 956  
Replenishment of NCLs 2,404 2,234 4,612 4,693  
Net reserve builds (releases) 312 249 613 476  
Net specific reserve builds (releases) (113) (6) (17) (131)  
Initial allowance for credit losses on newly purchased credit-deteriorated assets during the period 78 0 78 0  
Other 48 154 40 204  
ACLL at end of period 19,961 19,123 19,961 19,123  
ACLL          
Collectively evaluated 19,539   19,539   $ 18,874
Individually evaluated 358   358   374
Total ACLL 19,961 19,123 19,961 19,123 19,247
Loans, net of unearned income          
Collectively evaluated 783,443   783,443   743,117
Individually evaluated 1,806   1,806   2,150
Held at fair value 8,230   8,230   6,855
Total loans, net of unearned income 793,658   793,658   752,230
Purchased credit deteriorated          
ACLL          
Purchased credit deteriorated 64   64   (1)
Loans, net of unearned income          
Purchased credit deteriorated 179   179   108
Corporate loans          
Allowance for credit losses          
Allowance for credit losses on loans (ACLL) at beginning of period 3,339 2,725 3,053 2,556  
Charge-offs (153) (63) (195) (262)  
Recoveries 19 14 53 31  
Replenishment of NCLs 134 49 142 231  
Net reserve builds (releases) 220 265 423 544  
Net specific reserve builds (releases) (112) (6) (16) (131)  
Initial allowance for credit losses on newly purchased credit-deteriorated assets during the period 0 0 0 0  
Other 4 39 (9) 54  
ACLL at end of period 3,451 3,023 3,451 3,023  
ACLL          
Collectively evaluated 3,143   3,143   2,730
Individually evaluated 308   308   323
Total ACLL 3,451 3,023 3,451 3,023 3,053
Loans, net of unearned income          
Collectively evaluated 367,187   367,187   334,892
Individually evaluated 1,747   1,747   2,001
Held at fair value 8,204   8,204   6,804
Total loans, net of unearned income 377,138   377,138   343,697
Corporate loans | Purchased credit deteriorated          
ACLL          
Purchased credit deteriorated 0   0   0
Loans, net of unearned income          
Purchased credit deteriorated 0   0   0
Consumer loans          
Allowance for credit losses          
Allowance for credit losses on loans (ACLL) at beginning of period 16,297 16,001 16,194 16,018  
Charge-offs (2,828) (2,660) (5,606) (5,387)  
Recoveries 558 475 1,136 925  
Replenishment of NCLs 2,270 2,185 4,470 4,462  
Net reserve builds (releases) 92 (16) 190 (68)  
Net specific reserve builds (releases) (1) 0 (1) 0  
Initial allowance for credit losses on newly purchased credit-deteriorated assets during the period 78 0 78 0  
Other 44 115 49 150  
ACLL at end of period 16,510 16,100 16,510 16,100  
ACLL          
Collectively evaluated 16,396   16,396   16,144
Individually evaluated 50   50   51
Total ACLL 16,510 $ 16,100 16,510 $ 16,100 16,194
Loans, net of unearned income          
Collectively evaluated 416,256   416,256   408,225
Individually evaluated 59   59   149
Held at fair value 26   26   51
Total loans, net of unearned income 416,520   416,520   408,533
Consumer loans | Purchased credit deteriorated          
ACLL          
Purchased credit deteriorated 64   64   (1)
Loans, net of unearned income          
Purchased credit deteriorated $ 179   $ 179   $ 108