v3.25.2
Loans and Related Allowance for Credit Losses (Modified, Amortized Cost Basis) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 1,010 $ 1,326 $ 1,660 $ 2,233
% of Loan Class 0.31% 0.41% 0.51% 0.69%
Unfunded lending related commitments $ 400 $ 400 $ 400 $ 400
Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 18 0 18
Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 820 827 1,343 1,502
Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 137 129 157 171
Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 18 22 35 42
Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 17 149 25 257
Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1 103 3 113
Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 15
Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 14 0
Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified 17 78 83 115
Commercial and industrial | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1 120 16 145
Commercial and industrial | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 568 539 828 941
Commercial and industrial | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 54 159 69 207
Commercial real estate | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 268 538 550 927
Commercial real estate | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 35 84 35 173
Residential real estate | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified   1 1 1
Residential real estate | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified   1 2 1
Residential real estate | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 64 30 88 55
Home equity | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1 5 3 8
Education | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1 1 3 3
Other consumer | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1   2  
Other consumer | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified     1  
Commercial Portfolio Segment        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 915 $ 1,256 $ 1,512 $ 2,106
% of Loan Class 0.40% 0.57% 0.67% 0.95%
Commercial Portfolio Segment | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0 $ 18 $ 0 $ 18
Commercial Portfolio Segment | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 818 826 1,338 1,499
Commercial Portfolio Segment | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified   94 66 108
Commercial Portfolio Segment | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 72      
Commercial Portfolio Segment | Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Commercial Portfolio Segment | Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 17 149 24 257
Commercial Portfolio Segment | Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1 102 2 112
Commercial Portfolio Segment | Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 15
Commercial Portfolio Segment | Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 14 0
Commercial Portfolio Segment | Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified 7 67 68 97
Commercial Portfolio Segment | Commercial and industrial        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 612 $ 718 $ 913 $ 1,154
% of Loan Class 0.32% 0.40% 0.48% 0.65%
Commercial Portfolio Segment | Commercial and industrial | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0 $ 18 $ 0 $ 18
Commercial Portfolio Segment | Commercial and industrial | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 550 372 788 720
Commercial Portfolio Segment | Commercial and industrial | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified   94 31  
Commercial Portfolio Segment | Commercial and industrial | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 37     83
Commercial Portfolio Segment | Commercial and industrial | Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Commercial Portfolio Segment | Commercial and industrial | Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 17 65 24 109
Commercial Portfolio Segment | Commercial and industrial | Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1 102 2 112
Commercial Portfolio Segment | Commercial and industrial | Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 15
Commercial Portfolio Segment | Commercial and industrial | Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 14 0
Commercial Portfolio Segment | Commercial and industrial | Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified 7 67 54 97
Commercial Portfolio Segment | Commercial real estate        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 303 $ 538 $ 599 $ 952
% of Loan Class 0.97% 1.52% 1.92% 2.68%
Commercial Portfolio Segment | Commercial real estate | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0 $ 0 $ 0 $ 0
Commercial Portfolio Segment | Commercial real estate | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 268 454 550 779
Commercial Portfolio Segment | Commercial real estate | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 35 0 35 25
Commercial Portfolio Segment | Commercial real estate | Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Commercial Portfolio Segment | Commercial real estate | Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 84 0 148
Commercial Portfolio Segment | Commercial real estate | Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Commercial Portfolio Segment | Commercial real estate | Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Commercial Portfolio Segment | Commercial real estate | Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Commercial Portfolio Segment | Commercial real estate | Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 14 0
Consumer Portfolio Segment        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 95 $ 70 $ 148 $ 127
% of Loan Class 0.10% 0.07% 0.15% 0.13%
Consumer Portfolio Segment | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0 $ 0 $ 0 $ 0
Consumer Portfolio Segment | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 2 1 5 3
Consumer Portfolio Segment | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 65 35 91 63
Consumer Portfolio Segment | Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 18 22 35 42
Consumer Portfolio Segment | Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 1 0
Consumer Portfolio Segment | Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 1 1 1
Consumer Portfolio Segment | Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified 10 11 15 18
Consumer Portfolio Segment | Residential real estate        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 66 $ 36 $ 93 $ 64
% of Loan Class 0.15% 0.08% 0.21% 0.14%
Consumer Portfolio Segment | Residential real estate | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0 $ 0 $ 0 $ 0
Consumer Portfolio Segment | Residential real estate | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 1 0
Consumer Portfolio Segment | Residential real estate | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 64 30 88 55
Consumer Portfolio Segment | Residential real estate | Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Residential real estate | Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Residential real estate | Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 1 1 1
Consumer Portfolio Segment | Residential real estate | Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Residential real estate | Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Residential real estate | Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified 2 5 3 8
Consumer Portfolio Segment | Home equity        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 9 $ 12 $ 16 $ 20
% of Loan Class 0.03% 0.05% 0.06% 0.08%
Consumer Portfolio Segment | Home equity | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0 $ 0 $ 0 $ 0
Consumer Portfolio Segment | Home equity | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Home equity | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1 5 3 8
Consumer Portfolio Segment | Home equity | Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 1 1 2
Consumer Portfolio Segment | Home equity | Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Home equity | Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Home equity | Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Home equity | Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Home equity | Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified 8 6 12 10
Consumer Portfolio Segment | Credit card        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 18 $ 21 $ 33 $ 39
% of Loan Class 0.27% 0.31% 0.50% 0.57%
Consumer Portfolio Segment | Credit card | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0 $ 0 $ 0 $ 0
Consumer Portfolio Segment | Credit card | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Credit card | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Credit card | Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 18 21 33 39
Consumer Portfolio Segment | Credit card | Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Credit card | Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Credit card | Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Credit card | Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Credit card | Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Education        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 1 $ 1 $ 3 $ 3
% of Loan Class 0.06% 0.06% 0.19% 0.17%
Consumer Portfolio Segment | Education | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0 $ 0 $ 0 $ 0
Consumer Portfolio Segment | Education | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1 1 3 3
Consumer Portfolio Segment | Education | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Education | Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Education | Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Education | Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Education | Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Education | Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 0 0 0
Consumer Portfolio Segment | Education | Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0 $ 0 0 0
Consumer Portfolio Segment | Other consumer        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 1   $ 3 $ 1
% of Loan Class 0.02%   0.07% 0.02%
Consumer Portfolio Segment | Other consumer | Interest Rate Reduction        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0   $ 0 $ 0
Consumer Portfolio Segment | Other consumer | Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 1   1 0
Consumer Portfolio Segment | Other consumer | Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0   0 0
Consumer Portfolio Segment | Other consumer | Repayment Plan        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0   1 1
Consumer Portfolio Segment | Other consumer | Payment Delay and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0   1 0
Consumer Portfolio Segment | Other consumer | Interest Rate Reduction and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0   0 0
Consumer Portfolio Segment | Other consumer | Interest Rate Reduction and Payment Delay        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0   0 0
Consumer Portfolio Segment | Other consumer | Interest Rate Reduction, Payment Delay, and Term Extension        
Financing Receivable [Line Items]        
Amortized cost basis, modified 0   0 0
Consumer Portfolio Segment | Other consumer | Other        
Financing Receivable [Line Items]        
Amortized cost basis, modified $ 0   $ 0 $ 0