v3.26.1
LOANS, LEASES, AND ALLOWANCE FOR CREDIT LOSSES (Summary of Changes in the Allowance for Credit Losses) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Allowance for loan losses        
Balance at beginning of period $ 667 $ 697 $ 678 $ 696
Provision for loan losses 4 3 (3) 20
Total 14 16 25 40
Recoveries 5 6 12 14
Net loan and lease charge-offs (recoveries) 9 10 13 26
Balance at end of period 662 690 662 690
Reserve for unfunded lending commitments        
Balance at beginning of period 46 46 46 45
Provision for unfunded lending commitments (1) (4) (1) (3)
Balance at end of period 45 42 45 42
Total allowance for credit losses 707 732 707 732
Commercial:        
Allowance for loan losses        
Balance at beginning of period 394 337 391 308
Provision for loan losses 7 31 12 72
Total 8 12 15 31
Recoveries 4 5 9 12
Net loan and lease charge-offs (recoveries) 4 7 6 19
Balance at end of period 397 361 397 361
Reserve for unfunded lending commitments        
Balance at beginning of period 18 28 19 26
Provision for unfunded lending commitments 0 (6) (1) (4)
Balance at end of period 18 22 18 22
Total allowance for credit losses 415 383 415 383
Commercial real estate:        
Allowance for loan losses        
Balance at beginning of period 161 271 185 300
Provision for loan losses 3 (40) (22) (69)
Total 3 1 3 1
Recoveries 0 0 1 0
Net loan and lease charge-offs (recoveries) 3 1 2 1
Balance at end of period 161 230 161 230
Reserve for unfunded lending commitments        
Balance at beginning of period 20 10 19 11
Provision for unfunded lending commitments 0 2 1 1
Balance at end of period 20 12 20 12
Total allowance for credit losses 181 242 181 242
Consumer:        
Allowance for loan losses        
Balance at beginning of period 112 89 102 88
Provision for loan losses (6) 12 7 17
Total 3 3 7 8
Recoveries 1 1 2 2
Net loan and lease charge-offs (recoveries) 2 2 5 6
Balance at end of period 104 99 104 99
Reserve for unfunded lending commitments        
Balance at beginning of period 8 8 8 8
Provision for unfunded lending commitments (1) 0 (1) 0
Balance at end of period 7 8 7 8
Total allowance for credit losses $ 111 $ 107 $ 111 $ 107