v3.26.1
Loans And The Allowance For Credit Losses (Analysis Of The Allowance For Credit Losses By Portfolio Segment) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Allowance for Loan and Lease Losses [Roll Forward]    
Allowance for loan losses, beginning of period $ 1,556 $ 1,613
Provision for loan losses 101 123
Loan Losses:    
Charge-offs (151) (145)
Recoveries 21 22
Recoveries (130) (123)
Allowance for loan losses, end of period 1,527 1,613
Reserve For Unfunded Credit Commitments [Roll Forward]    
Reserve for unfunded credit commitments, beginning of year 130 116
Provision (credit) for unfunded credit losses (10) 1
Reserve for unfunded credit commitments, end of year 120 117
Allowance for credit losses 1,647 1,730
Commercial    
Allowance for Loan and Lease Losses [Roll Forward]    
Allowance for loan losses, beginning of period 755 743
Provision for loan losses 105 49
Loan Losses:    
Charge-offs (88) (59)
Recoveries 9 12
Recoveries (79) (47)
Allowance for loan losses, end of period 781 745
Reserve For Unfunded Credit Commitments [Roll Forward]    
Reserve for unfunded credit commitments, beginning of year 95 91
Provision (credit) for unfunded credit losses (8) 0
Reserve for unfunded credit commitments, end of year 87 91
Allowance for credit losses 868 836
Investor Real Estate    
Allowance for Loan and Lease Losses [Roll Forward]    
Allowance for loan losses, beginning of period 120 240
Provision for loan losses (12) 18
Loan Losses:    
Charge-offs 0 (22)
Recoveries 0 0
Recoveries 0 (22)
Allowance for loan losses, end of period 108 236
Reserve For Unfunded Credit Commitments [Roll Forward]    
Reserve for unfunded credit commitments, beginning of year 15 7
Provision (credit) for unfunded credit losses (1) 1
Reserve for unfunded credit commitments, end of year 14 8
Allowance for credit losses 122 244
Consumer    
Allowance for Loan and Lease Losses [Roll Forward]    
Allowance for loan losses, beginning of period 681 630
Provision for loan losses 8 56
Loan Losses:    
Charge-offs (63) (64)
Recoveries 12 10
Recoveries (51) (54)
Allowance for loan losses, end of period 638 632
Reserve For Unfunded Credit Commitments [Roll Forward]    
Reserve for unfunded credit commitments, beginning of year 20 18
Provision (credit) for unfunded credit losses (1) 0
Reserve for unfunded credit commitments, end of year 19 18
Allowance for credit losses $ 657 $ 650