Quarterly report [Sections 13 or 15(d)]

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

v3.25.2
Outstanding Loans and Leases and Allowance for Credit Losses - Modifications to Borrowers in Financial Difficulty and Financial Effect of Modified Loans (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Consumer real estate        
Financing Receivable, Modified [Line Items]        
Total $ 73 $ 105 $ 127 $ 182
As a % of Financing Receivables 0.03% 0.04% 0.05% 0.07%
Consumer real estate | Forbearance and Other Payment Plans        
Financing Receivable, Modified [Line Items]        
Total $ 10 $ 22 $ 17 $ 38
Consumer real estate | Permanent Modification        
Financing Receivable, Modified [Line Items]        
Total 63 83 110 144
Consumer real estate | Residential Mortgage        
Financing Receivable, Modified [Line Items]        
Total $ 68 $ 95 $ 115 $ 164
As a % of Financing Receivables 0.03% 0.04% 0.05% 0.07%
Consumer real estate | Residential Mortgage | Forbearance and Other Payment Plans        
Financing Receivable, Modified [Line Items]        
Total $ 10 $ 22 $ 17 $ 38
Weighted-average duration 6 months 5 months 6 months 7 months
Consumer real estate | Residential Mortgage | Permanent Modification        
Financing Receivable, Modified [Line Items]        
Total $ 58 $ 73 $ 98 $ 126
Weighted-average duration 9 years 2 months 12 days 9 years 2 months 12 days 9 years 4 months 24 days 9 years 1 month 6 days
Weighted-average Interest Rate Reduction 1.06% 1.34% 1.19% 1.32%
Consumer real estate | Home equity        
Financing Receivable, Modified [Line Items]        
Total $ 5 $ 10 $ 12 $ 18
As a % of Financing Receivables 0.02% 0.04% 0.05% 0.07%
Consumer real estate | Home equity | Forbearance and Other Payment Plans        
Financing Receivable, Modified [Line Items]        
Total $ 0 $ 0 $ 0 $ 0
Consumer real estate | Home equity | Permanent Modification        
Financing Receivable, Modified [Line Items]        
Total $ 5 $ 10 $ 12 $ 18
Weighted-average duration 14 years 8 months 12 days 18 years 4 months 24 days 16 years 7 months 6 days 17 years 4 months 24 days
Weighted-average Interest Rate Reduction 2.27% 2.42% 2.23% 2.60%
Commercial        
Financing Receivable, Modified [Line Items]        
Total $ 1,709 $ 949 $ 2,740 $ 2,166
As a % of Financing Receivables 0.27% 0.17% 0.44% 0.39%
Commercial | United States        
Financing Receivable, Modified [Line Items]        
Total $ 501 $ 473 $ 744 $ 884
As a % of Financing Receivables 0.12% 0.13% 0.18% 0.24%
Commercial | Non United States        
Financing Receivable, Modified [Line Items]        
Total $ 0 $ 29 $ 42 $ 29
As a % of Financing Receivables 0.00% 0.02% 0.03% 0.02%
Commercial | Term Extension        
Financing Receivable, Modified [Line Items]        
Total $ 1,166 $ 675 $ 2,046 $ 1,569
Commercial | Term Extension | United States        
Financing Receivable, Modified [Line Items]        
Total 397 470 610 875
Commercial | Term Extension | Non United States        
Financing Receivable, Modified [Line Items]        
Total 0 29 33 29
Commercial | Forbearances        
Financing Receivable, Modified [Line Items]        
Total 543 274 694 561
Commercial | Forbearances | United States        
Financing Receivable, Modified [Line Items]        
Total 104 3 134 9
Commercial | Forbearances | Non United States        
Financing Receivable, Modified [Line Items]        
Total 0 0 9 0
Commercial | Interest Rate Reduction        
Financing Receivable, Modified [Line Items]        
Total 0 0 0 36
Commercial | Interest Rate Reduction | United States        
Financing Receivable, Modified [Line Items]        
Total 0 0 0 0
Commercial | Interest Rate Reduction | Non United States        
Financing Receivable, Modified [Line Items]        
Total 0 0 0 0
Commercial | Commercial real estate        
Financing Receivable, Modified [Line Items]        
Total $ 1,208 $ 447 $ 1,954 $ 1,253
As a % of Financing Receivables 1.84% 0.64% 2.98% 1.78%
Commercial | Commercial real estate | Term Extension        
Financing Receivable, Modified [Line Items]        
Total $ 769 $ 176 $ 1,403 $ 665
Commercial | Commercial real estate | Forbearances        
Financing Receivable, Modified [Line Items]        
Total 439 271 551 552
Commercial | Commercial real estate | Interest Rate Reduction        
Financing Receivable, Modified [Line Items]        
Total $ 0 $ 0 $ 0 $ 36