Quarterly report [Sections 13 or 15(d)]

Outstanding Loans and Leases and Allowance for Credit Losses - Allowance by Portfolio Segment (Details)

v3.26.1
Outstanding Loans and Leases and Allowance for Credit Losses - Allowance by Portfolio Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Allowance for loan and lease losses, beginning balance $ 13,203 $ 13,240 $ 13,240
Net charge-offs (1,737) (1,733)  
Recoveries of loans and leases previously charged off 328 281  
Net charge-offs (1,409) (1,452)  
Provision for loan and lease losses 1,353 1,466  
Other 1 2  
Allowance for loan and lease losses, ending balance 13,148 13,256 13,203
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]      
Reserve for unfunded lending commitments, beginning balance 1,177 1,096 1,096
Provision for unfunded lending commitments (16) 14  
Reserve for unfunded lending commitments, ending balance 1,161 1,110 1,177
Allowance for credit losses 14,309 14,366  
Consumer real estate      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Allowance for loan and lease losses, beginning balance 416 293 293
Net charge-offs (16) (6)  
Recoveries of loans and leases previously charged off 18 18  
Net charge-offs 2 12  
Provision for loan and lease losses (1) 32  
Other 0 3  
Allowance for loan and lease losses, ending balance 417 340 416
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]      
Reserve for unfunded lending commitments, beginning balance 62 57 57
Provision for unfunded lending commitments 13 0  
Reserve for unfunded lending commitments, ending balance 75 57 62
Allowance for credit losses 492 397  
Credit card and other consumer      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Allowance for loan and lease losses, beginning balance 7,964 8,277 8,277
Net charge-offs (1,316) (1,349)  
Recoveries of loans and leases previously charged off 255 218  
Net charge-offs (1,061) (1,131)  
Provision for loan and lease losses 950 1,067  
Other 1 (1)  
Allowance for loan and lease losses, ending balance 7,854 8,212 7,964
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]      
Reserve for unfunded lending commitments, beginning balance 0 0 0
Provision for unfunded lending commitments 0 0  
Reserve for unfunded lending commitments, ending balance 0 0 0
Allowance for credit losses 7,854 8,212  
Commercial      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Allowance for loan and lease losses, beginning balance 4,823 4,670 4,670
Net charge-offs (405) (378)  
Recoveries of loans and leases previously charged off 55 45  
Net charge-offs (350) (333)  
Provision for loan and lease losses 404 367  
Other 0 0  
Allowance for loan and lease losses, ending balance 4,877 4,704 4,823
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]      
Reserve for unfunded lending commitments, beginning balance 1,115 1,039 1,039
Provision for unfunded lending commitments (29) 14  
Reserve for unfunded lending commitments, ending balance 1,086 1,053 $ 1,115
Allowance for credit losses $ 5,963 $ 5,757