Annual report [Section 13 and 15(d), not S-K Item 405]

Outstanding Loans and Leases and Allowance for Credit Losses - Commercial Loans, Loans Held-for-sale and Accrued Interest Receivable (Details)

v3.25.4
Outstanding Loans and Leases and Allowance for Credit Losses - Commercial Loans, Loans Held-for-sale and Accrued Interest Receivable (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans held for sale $ 5,165 $ 9,545  
Non-cash net transfers into LHFS 79 0 $ 632
Accrued interest receivable $ 4,200 $ 4,300  
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Other Receivables Other Receivables  
Consumer and Small Business Credit Card      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Interest and fee income reversed $ 870 $ 856  
Commercial      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans held for sale 5,200 9,500  
Proceeds from sales and paydowns of loans originally classified as LHFS 35,600 32,300 16,300
Originations and purchases 30,400 36,200 $ 15,600
Commercial | United States      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Subsequent default for loans modified within the last 12 months $ 296 $ 102  
Commercial | Commercial loans      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Weighted-average duration 1 year 3 months 18 days 1 year 8 months 12 days  
Lending commitments $ 966 $ 1,300  
Commercial | Commercial loans | Forbearance Program      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Weighted-average duration 1 year 3 months 18 days 9 months  
Commercial | Commercial loans | Forbearances | Minimum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Weighted-average duration 8 months    
Commercial | Commercial loans | Forbearances | Maximum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Weighted-average duration 2 years