Quarterly report [Sections 13 or 15(d)]

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

v3.25.3
Outstanding Loans and Leases and Allowance for Credit Losses - Allowance by Portfolio Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]          
Allowance for loan and lease losses, beginning balance $ 13,291 $ 13,238 $ 13,240 $ 13,342 $ 13,342
Loans and leases charged off (1,701) (1,800) (5,258) (5,317)  
Recoveries of loans and leases previously charged off 334 266 914 752  
Net charge-offs (1,367) (1,534) (4,344) (4,565)  
Provision for loan and lease losses 1,328 1,547 4,354 4,479  
Other 0 0 2 (5)  
Allowance for loan and lease losses, ending balance 13,252 13,251 13,252 13,251 13,240
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]          
Reserve for unfunded lending commitments, beginning balance 1,143 1,104 1,096 1,209 1,209
Provision for unfunded lending commitments (33) (5) 13 (110)  
Other (1) 1 0 1  
Reserve for unfunded lending commitments, ending balance 1,109 1,100 1,109 1,100 1,096
Allowance for credit losses 14,361 14,351 14,361 14,351  
Consumer real estate          
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]          
Allowance for loan and lease losses, beginning balance 346 347 293 386 386
Loans and leases charged off (9) (15) (29) (34)  
Recoveries of loans and leases previously charged off 21 22 61 65  
Net charge-offs 12 7 32 31  
Provision for loan and lease losses 50 (45) 79 (109)  
Other 0 0 4 1  
Allowance for loan and lease losses, ending balance 408 309 408 309 293
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]          
Reserve for unfunded lending commitments, beginning balance 58 55 57 82 82
Provision for unfunded lending commitments 6 3 7 (24)  
Other 0 0 0 0  
Reserve for unfunded lending commitments, ending balance 64 58 64 58 57
Allowance for credit losses 472 367 472 367  
Credit card and other consumer          
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]          
Allowance for loan and lease losses, beginning balance 8,232 8,167 8,277 8,134 8,134
Loans and leases charged off (1,230) (1,256) (3,878) (3,748)  
Recoveries of loans and leases previously charged off 240 205 690 586  
Net charge-offs (990) (1,051) (3,188) (3,162)  
Provision for loan and lease losses 803 1,167 2,957 3,311  
Other (1) 1 (2) 1  
Allowance for loan and lease losses, ending balance 8,044 8,284 8,044 8,284 8,277
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]          
Reserve for unfunded lending commitments, beginning balance 0 0 0 0 0
Provision for unfunded lending commitments 0 0 0 0  
Other 0 0 0 0  
Reserve for unfunded lending commitments, ending balance 0 0 0 0 0
Allowance for credit losses 8,044 8,284 8,044 8,284  
Commercial          
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]          
Allowance for loan and lease losses, beginning balance 4,713 4,724 4,670 4,822 4,822
Loans and leases charged off (462) (529) (1,351) (1,535)  
Recoveries of loans and leases previously charged off 73 39 163 101  
Net charge-offs (389) (490) (1,188) (1,434)  
Provision for loan and lease losses 475 425 1,318 1,277  
Other 1 (1) 0 (7)  
Allowance for loan and lease losses, ending balance 4,800 4,658 4,800 4,658 4,670
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]          
Reserve for unfunded lending commitments, beginning balance 1,085 1,049 1,039 1,127 1,127
Provision for unfunded lending commitments (39) (8) 6 (86)  
Other (1) 1 0 1  
Reserve for unfunded lending commitments, ending balance 1,045 1,042 1,045 1,042 $ 1,039
Allowance for credit losses $ 5,845 $ 5,700 $ 5,845 $ 5,700