Quarterly report pursuant to Section 13 or 15(d)

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

v3.24.3
Outstanding Loans and Leases and Allowance for Credit Losses - Payment Status of Modifications to Borrowers in Financial Difficulty (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Sep. 30, 2023
Consumer real estate    
Financing Receivable, Modified [Line Items]    
Total $ 284 $ 655
Consumer real estate | Current    
Financing Receivable, Modified [Line Items]    
Total 182 346
Consumer real estate | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 54 125
Consumer real estate | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 48 184
Consumer real estate | Residential Mortgage    
Financing Receivable, Modified [Line Items]    
Total 252 565
Consumer real estate | Residential Mortgage | Current    
Financing Receivable, Modified [Line Items]    
Total 153 295
Consumer real estate | Residential Mortgage | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 52 114
Consumer real estate | Residential Mortgage | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 47 156
Consumer real estate | Home equity    
Financing Receivable, Modified [Line Items]    
Total 32 90
Consumer real estate | Home equity | Current    
Financing Receivable, Modified [Line Items]    
Total 29 51
Consumer real estate | Home equity | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 2 11
Consumer real estate | Home equity | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 1 28
Commercial    
Financing Receivable, Modified [Line Items]    
Total 3,291 2,343
Commercial | United States    
Financing Receivable, Modified [Line Items]    
Total 1,282 801
Commercial | Non United States    
Financing Receivable, Modified [Line Items]    
Total 36 186
Commercial | Current    
Financing Receivable, Modified [Line Items]    
Total 2,896 2,035
Commercial | Current | United States    
Financing Receivable, Modified [Line Items]    
Total 1,193 766
Commercial | Current | Non United States    
Financing Receivable, Modified [Line Items]    
Total 36 186
Commercial | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 61 81
Commercial | 30–89 Days Past Due | United States    
Financing Receivable, Modified [Line Items]    
Total 58 21
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 334 227
Commercial | 90+ Days Past Due | United States    
Financing Receivable, Modified [Line Items]    
Total 31 14
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 1,973 1,356
Commercial | Commercial real estate | Current    
Financing Receivable, Modified [Line Items]    
Total 1,667 1,083
Commercial | Commercial real estate | 30–89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 3 60
Commercial | Commercial real estate | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total $ 303 $ 213