Quarterly report [Sections 13 or 15(d)]

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

v3.26.1
Outstanding Loans and Leases and Allowance for Credit Losses - Payment Status of Modifications to Borrowers in Financial Difficulty (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Jun. 30, 2025
Consumer real estate    
Financing Receivable, Modified [Line Items]    
Total $ 336 $ 216
Consumer real estate | Current    
Financing Receivable, Modified [Line Items]    
Total 166 132
Consumer real estate | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 42 46
Consumer real estate | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 128 38
Consumer real estate | Residential Mortgage    
Financing Receivable, Modified [Line Items]    
Total 317 190
Consumer real estate | Residential Mortgage | Current    
Financing Receivable, Modified [Line Items]    
Total 152 109
Consumer real estate | Residential Mortgage | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 40 44
Consumer real estate | Residential Mortgage | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 125 37
Consumer real estate | Home equity    
Financing Receivable, Modified [Line Items]    
Total 19 26
Consumer real estate | Home equity | Current    
Financing Receivable, Modified [Line Items]    
Total 14 23
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 3 1
Commercial    
Financing Receivable, Modified [Line Items]    
Total 3,355 4,774
Commercial | United States    
Financing Receivable, Modified [Line Items]    
Total 2,293 1,299
Commercial | Non United States    
Financing Receivable, Modified [Line Items]    
Total 105 69
Commercial | Current    
Financing Receivable, Modified [Line Items]    
Total 2,919 4,074
Commercial | Current | United States    
Financing Receivable, Modified [Line Items]    
Total 2,156 1,249
Commercial | Current | Non United States    
Financing Receivable, Modified [Line Items]    
Total 105 69
Commercial | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 10 12
Commercial | 30–89 Days Past Due | United States    
Financing Receivable, Modified [Line Items]    
Total 3 7
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 426 688
Commercial | 90+ Days Past Due | United States    
Financing Receivable, Modified [Line Items]    
Total 134 43
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 957 3,406
Commercial | Commercial real estate | Current    
Financing Receivable, Modified [Line Items]    
Total 658 2,756
Commercial | Commercial real estate | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 7 5
Commercial | Commercial real estate | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total $ 292 $ 645