Quarterly report [Sections 13 or 15(d)]

Outstanding Loans and Leases and Allowance for Credit Losses - Loan Modifications to Borrowers in Financial Difficulty, Narrative (Details)

v3.26.1
Outstanding Loans and Leases and Allowance for Credit Losses - Loan Modifications to Borrowers in Financial Difficulty, Narrative (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
Trial Modifications | Minimum          
Financing Receivable, Modified [Line Items]          
Term for contractual payments     3 months    
Trial Modifications | Maximum          
Financing Receivable, Modified [Line Items]          
Term for contractual payments     4 months    
Consumer real estate          
Financing Receivable, Modified [Line Items]          
Total financing receivable percentage 0.07% 0.03% 0.09% 0.05%  
Real estate acquired through foreclosure $ 62   $ 62   $ 58
Loans with formal foreclosure proceeding in process 388   388   $ 411
Reclassified consumer real estate loans     21 $ 29  
Modifications in period 176 $ 73 239 127  
Modifications over the last 12 months 336 216 336 216  
Consumer real estate | Current          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 166 132 166 132  
Consumer real estate | 30–89 Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 42 46 42 46  
Consumer real estate | 90+ Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 128 38 128 38  
Consumer real estate | Permanent Modification          
Financing Receivable, Modified [Line Items]          
Modifications in period 61 63 101 110  
Consumer real estate | Forbearance and Other Payment Plans          
Financing Receivable, Modified [Line Items]          
Modifications in period $ 115 $ 10 $ 138 $ 17  
Consumer real estate | Residential Mortgage And Home Equity Loan | Permanent Modification          
Financing Receivable, Modified [Line Items]          
Modified term     30 years    
Consumer real estate | Residential Mortgage          
Financing Receivable, Modified [Line Items]          
Total financing receivable percentage 0.07% 0.03% 0.10% 0.05%  
Modifications in period $ 172 $ 68 $ 229 $ 115  
Modifications over the last 12 months 317 190 317 190  
Consumer real estate | Residential Mortgage | Current          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 152 109 152 109  
Consumer real estate | Residential Mortgage | 30–89 Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 40 44 40 44  
Consumer real estate | Residential Mortgage | 90+ Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 125 37 125 37  
Consumer real estate | Residential Mortgage | Permanent Modification          
Financing Receivable, Modified [Line Items]          
Modifications in period $ 57 $ 58 $ 94 $ 98  
Weighted-average Interest Rate Reduction 1.45% 1.06% 1.52% 1.19%  
Consumer real estate | Residential Mortgage | Permanent Modification | Minimum          
Financing Receivable, Modified [Line Items]          
Modified term     1 year    
Consumer real estate | Residential Mortgage | Permanent Modification | Maximum          
Financing Receivable, Modified [Line Items]          
Modified term     20 years    
Consumer real estate | Residential Mortgage | Forbearance and Other Payment Plans          
Financing Receivable, Modified [Line Items]          
Modifications in period $ 115 $ 10 $ 135 $ 17  
Consumer real estate | Home equity          
Financing Receivable, Modified [Line Items]          
Total financing receivable percentage 0.01% 0.02% 0.04% 0.05%  
Modifications in period $ 4 $ 5 $ 10 $ 12  
Modifications over the last 12 months 19 26 19 26  
Consumer real estate | Home equity | Current          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 14 23 14 23  
Consumer real estate | Home equity | 30–89 Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 2 2 2 2  
Consumer real estate | Home equity | 90+ Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 3 1 3 1  
Consumer real estate | Home equity | Permanent Modification          
Financing Receivable, Modified [Line Items]          
Modifications in period $ 4 $ 5 $ 7 $ 12  
Weighted-average Interest Rate Reduction 2.29% 2.27% 2.93% 2.23%  
Consumer real estate | Home equity | Permanent Modification | Minimum          
Financing Receivable, Modified [Line Items]          
Modified term     1 year    
Consumer real estate | Home equity | Permanent Modification | Maximum          
Financing Receivable, Modified [Line Items]          
Modified term     20 years    
Consumer real estate | Home equity | Forbearance and Other Payment Plans          
Financing Receivable, Modified [Line Items]          
Modifications in period $ 0 $ 0 $ 3 $ 0  
Credit card and other consumer          
Financing Receivable, Modified [Line Items]          
Total financing receivable percentage 0.11% 0.10% 0.20% 0.19%  
Modifications in period $ 244 $ 218 $ 447 $ 405  
Weighted-average Interest Rate Reduction 18.00% 18.00% 18.00% 18.00%  
Modifications over the last 12 months $ 727 $ 645 $ 727 $ 645  
Credit card and other consumer | Current          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 622 547 622 547  
Credit card and other consumer | 30–89 Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 57 53 57 53  
Credit card and other consumer | 90+ Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 48 45 $ 48 45  
Credit card and other consumer | Interest Rate Reduction          
Financing Receivable, Modified [Line Items]          
Term for contractual payments     60 months    
Credit card and other consumer | Interest Rate Reduction | Minimum          
Financing Receivable, Modified [Line Items]          
Term for contractual payments     6 months    
Credit card and other consumer | Interest Rate Reduction | Maximum          
Financing Receivable, Modified [Line Items]          
Term for contractual payments     72 months    
Credit card and other consumer | Principal Forgiveness          
Financing Receivable, Modified [Line Items]          
Modifications in period $ 29 $ 26 $ 54 $ 51  
Commercial          
Financing Receivable, Modified [Line Items]          
Total financing receivable percentage 0.20% 0.27% 0.33% 0.44%  
Modifications in period $ 1,373 $ 1,709 $ 2,284 $ 2,740  
Modifications over the last 12 months $ 3,355 $ 4,774 $ 3,355 $ 4,774  
Commercial | United States          
Financing Receivable, Modified [Line Items]          
Total financing receivable percentage 0.22% 0.12% 0.34% 0.18%  
Modifications in period $ 985 $ 501 $ 1,545 $ 744  
Modifications over the last 12 months 2,293 1,299 2,293 1,299  
Commercial | Current          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 2,919 4,074 2,919 4,074  
Commercial | Current | United States          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 2,156 1,249 2,156 1,249  
Commercial | 30–89 Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 10 12 10 12  
Commercial | 30–89 Days Past Due | United States          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 3 7 3 7  
Commercial | 90+ Days Past Due          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 426 688 426 688  
Commercial | 90+ Days Past Due | United States          
Financing Receivable, Modified [Line Items]          
Modifications over the last 12 months 134 43 134 43  
Commercial | Interest Rate Reduction          
Financing Receivable, Modified [Line Items]          
Modifications in period 0 0 0 0  
Commercial | Interest Rate Reduction | United States          
Financing Receivable, Modified [Line Items]          
Modifications in period 0 0 0 0  
Commercial | Payment Deferral          
Financing Receivable, Modified [Line Items]          
Modifications in period 409 543 710 694  
Commercial | Payment Deferral | United States          
Financing Receivable, Modified [Line Items]          
Modifications in period $ 399 $ 104 $ 412 $ 134