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
Mar. 31, 2026
Mar. 31, 2025
Allowance for loan losses    
Balance at beginning of period $ 678 $ 696
Provision for loan losses (7) 17
Total 11 24
Recoveries 7 8
Net loan and lease charge-offs (recoveries) 4 16
Balance at end of period 667 697
Reserve for unfunded lending commitments    
Balance at beginning of period 46 45
Provision for unfunded lending commitments 0 1
Balance at end of period 46 46
Total allowance for credit losses 713 743
Commercial:    
Allowance for loan losses    
Balance at beginning of period 391 308
Provision for loan losses 5 41
Total 7 19
Recoveries 5 7
Net loan and lease charge-offs (recoveries) 2 12
Balance at end of period 394 337
Reserve for unfunded lending commitments    
Balance at beginning of period 19 26
Provision for unfunded lending commitments (1) 2
Balance at end of period 18 28
Total allowance for credit losses 412 365
Commercial real estate:    
Allowance for loan losses    
Balance at beginning of period 185 300
Provision for loan losses (25) (29)
Total 0 0
Recoveries 1 0
Net loan and lease charge-offs (recoveries) (1) 0
Balance at end of period 161 271
Reserve for unfunded lending commitments    
Balance at beginning of period 19 11
Provision for unfunded lending commitments 1 (1)
Balance at end of period 20 10
Total allowance for credit losses 181 281
Consumer:    
Allowance for loan losses    
Balance at beginning of period 102 88
Provision for loan losses 13 5
Total 4 5
Recoveries 1 1
Net loan and lease charge-offs (recoveries) 3 4
Balance at end of period 112 89
Reserve for unfunded lending commitments    
Balance at beginning of period 8 8
Provision for unfunded lending commitments 0 0
Balance at end of period 8 8
Total allowance for credit losses $ 120 $ 97