Annual report [Section 13 and 15(d), not S-K Item 405]

Outstanding Loans and Leases and Allowance for Credit Losses - Residential Mortgage - Credit Quality Indicators (Details)

v3.25.4
Outstanding Loans and Leases and Allowance for Credit Losses - Residential Mortgage - Credit Quality Indicators (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]      
Total $ 1,185,700 $ 1,095,835  
Total gross charge-offs 6,851 7,054 $ 4,817
Small Business Card Loans | United States      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total gross charge-offs 555 489  
Consumer real estate      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total gross charge-offs 40 42 $ 103
Consumer real estate | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 236,302 228,199  
Originated in current fiscal year 24,345 19,555  
Originated in fiscal year before current fiscal year 15,450 13,758  
Originated two years before current fiscal year 13,099 37,665  
Originated three years before current fiscal year 37,861 75,243  
Originated four years before current fiscal year 72,863 35,118  
Prior 72,684 46,860  
Total gross charge-offs 24 21  
Gross charge-offs, Originated in current fiscal year 0 2  
Gross charge-offs, Originated in fiscal year before current fiscal year 4 3  
Gross charge-offs, Originated two years before current fiscal year 6 6  
Gross charge-offs, Originated three years before current fiscal year 6 2  
Gross charge-offs, Originated four years before current fiscal year 2 1  
Gross charge-offs, Prior 6 7  
Consumer real estate | Less than 620 | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 3,076 2,619  
Originated in current fiscal year 197 172  
Originated in fiscal year before current fiscal year 242 171  
Originated two years before current fiscal year 193 484  
Originated three years before current fiscal year 533 649  
Originated four years before current fiscal year 724 427  
Prior 1,187 716  
Consumer real estate | Greater than or equal to 620 and less than 660 | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 2,277 2,187  
Originated in current fiscal year 192 170  
Originated in fiscal year before current fiscal year 150 145  
Originated two years before current fiscal year 143 396  
Originated three years before current fiscal year 408 515  
Originated four years before current fiscal year 540 366  
Prior 844 595  
Consumer real estate | Greater than or equal to 660 and less than 740 | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 25,065 25,166  
Originated in current fiscal year 2,488 2,167  
Originated in fiscal year before current fiscal year 1,854 1,745  
Originated two years before current fiscal year 1,507 4,542  
Originated three years before current fiscal year 4,253 7,008  
Originated four years before current fiscal year 6,668 3,801  
Prior 8,295 5,903  
Consumer real estate | Greater than or equal to 740 | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 196,808 188,314  
Originated in current fiscal year 21,311 16,758  
Originated in fiscal year before current fiscal year 13,006 11,507  
Originated two years before current fiscal year 11,089 31,941  
Originated three years before current fiscal year 32,390 63,918  
Originated four years before current fiscal year 62,041 27,956  
Prior 56,971 36,234  
Less than or equal to 90 percent | Consumer real estate | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 223,761 215,575  
Originated in current fiscal year 22,998 18,115  
Originated in fiscal year before current fiscal year 14,267 12,910  
Originated two years before current fiscal year 12,431 36,748  
Originated three years before current fiscal year 37,042 71,912  
Originated four years before current fiscal year 69,829 32,504  
Prior 67,194 43,386  
Greater than 90 percent but less than or equal to 100 percent | Consumer real estate | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 2,318 1,848  
Originated in current fiscal year 737 724  
Originated in fiscal year before current fiscal year 644 463  
Originated two years before current fiscal year 375 471  
Originated three years before current fiscal year 405 122  
Originated four years before current fiscal year 94 31  
Prior 63 37  
Greater than 100 percent | Consumer real estate | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 1,147 863  
Originated in current fiscal year 453 428  
Originated in fiscal year before current fiscal year 341 195  
Originated two years before current fiscal year 126 144  
Originated three years before current fiscal year 137 56  
Originated four years before current fiscal year 50 15  
Prior 40 25  
Fully-insured loans | Consumer real estate | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 9,076 9,913  
Originated in current fiscal year 157 288  
Originated in fiscal year before current fiscal year 198 190  
Originated two years before current fiscal year 167 302  
Originated three years before current fiscal year 277 3,153  
Originated four years before current fiscal year 2,890 2,568  
Prior $ 5,387 $ 3,412