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

Outstanding Loans and Leases and Allowance for Credit Losses - Payment Status of Modifications to Borrowers in Financial Difficulty (Details)

v3.25.4
Outstanding Loans and Leases and Allowance for Credit Losses - Payment Status of Modifications to Borrowers in Financial Difficulty (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Consumer real estate    
Financing Receivable, Modified [Line Items]    
Total $ 222 $ 264
Consumer real estate | Current    
Financing Receivable, Modified [Line Items]    
Total 124 151
Consumer real estate | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 47 56
Consumer real estate | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 51 57
Consumer real estate | Residential Mortgage    
Financing Receivable, Modified [Line Items]    
Total 201 232
Consumer real estate | Residential Mortgage | Current    
Financing Receivable, Modified [Line Items]    
Total 106 123
Consumer real estate | Residential Mortgage | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 45 54
Consumer real estate | Residential Mortgage | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 50 55
Consumer real estate | Home equity    
Financing Receivable, Modified [Line Items]    
Total 21 32
Consumer real estate | Home equity | Current    
Financing Receivable, Modified [Line Items]    
Total 18 28
Consumer real estate | Home equity | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 2 2
Consumer real estate | Home equity | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 1 2
Commercial    
Financing Receivable, Modified [Line Items]    
Total 3,842 3,948
Commercial | United States    
Financing Receivable, Modified [Line Items]    
Total 1,832 1,528
Commercial | Non United States    
Financing Receivable, Modified [Line Items]    
Total 32 27
Commercial | Current    
Financing Receivable, Modified [Line Items]    
Total 3,108 3,473
Commercial | Current | United States    
Financing Receivable, Modified [Line Items]    
Total 1,673 1,346
Commercial | Current | Non United States    
Financing Receivable, Modified [Line Items]    
Total 32 27
Commercial | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 30 160
Commercial | 30–89 Days Past Due | United States    
Financing Receivable, Modified [Line Items]    
Total 13 70
Commercial | 30–89 Days Past Due | Non United States    
Financing Receivable, Modified [Line Items]    
Total 0 0
Commercial | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 704 315
Commercial | 90+ Days Past Due | United States    
Financing Receivable, Modified [Line Items]    
Total 146 112
Commercial | 90+ Days Past Due | Non United States    
Financing Receivable, Modified [Line Items]    
Total 0 0
Commercial | Commercial real estate    
Financing Receivable, Modified [Line Items]    
Total 1,978 2,393
Commercial | Commercial real estate | Current    
Financing Receivable, Modified [Line Items]    
Total 1,403 2,100
Commercial | Commercial real estate | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 17 90
Commercial | Commercial real estate | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total $ 558 $ 203