Quarterly report [Sections 13 or 15(d)]

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

v3.25.1
Outstanding Loans and Leases and Allowance for Credit Losses - Residential Mortgage - Credit Quality Indicators (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items]      
Total $ 1,110,625   $ 1,095,835
Total gross charge-offs 1,733 $ 1,738  
Small Business Card Loans | United States      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total gross charge-offs 138   489
Consumer real estate      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total gross charge-offs 6 $ 11  
Consumer real estate | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 235,246   228,199
Originated in current fiscal year 4,490   19,555
Originated in fiscal year before current fiscal year 19,171   13,758
Originated two years before current fiscal year 14,991   37,665
Originated three years before current fiscal year 39,731   75,243
Originated four years before current fiscal year 76,044   35,118
Prior 80,819   46,860
Total gross charge-offs 3   21
Gross charge-offs, Originated in current fiscal year 0   2
Gross charge-offs, Originated in fiscal year before current fiscal year 0   3
Gross charge-offs, Originated two years before current fiscal year 1   6
Gross charge-offs, Originated three years before current fiscal year 1   2
Gross charge-offs, Originated four years before current fiscal year 1   1
Gross charge-offs, Prior 0   7
Consumer real estate | Less than 620 | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 2,814   2,619
Originated in current fiscal year 39   172
Originated in fiscal year before current fiscal year 212   171
Originated two years before current fiscal year 185   484
Originated three years before current fiscal year 501   649
Originated four years before current fiscal year 692   427
Prior 1,185   716
Consumer real estate | Greater than or equal to 620 and less than 660 | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 2,251   2,187
Originated in current fiscal year 31   170
Originated in fiscal year before current fiscal year 190   145
Originated two years before current fiscal year 145   396
Originated three years before current fiscal year 418   515
Originated four years before current fiscal year 561   366
Prior 906   595
Consumer real estate | Greater than or equal to 660 and less than 740 | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 24,894   25,166
Originated in current fiscal year 414   2,167
Originated in fiscal year before current fiscal year 2,117   1,745
Originated two years before current fiscal year 1,755   4,542
Originated three years before current fiscal year 4,592   7,008
Originated four years before current fiscal year 6,795   3,801
Prior 9,221   5,903
Consumer real estate | Greater than or equal to 740 | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 195,638   188,314
Originated in current fiscal year 3,988   16,758
Originated in fiscal year before current fiscal year 16,437   11,507
Originated two years before current fiscal year 12,720   31,941
Originated three years before current fiscal year 33,922   63,918
Originated four years before current fiscal year 64,902   27,956
Prior 63,669   36,234
Less than or equal to 90 percent | Consumer real estate | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 222,511   215,575
Originated in current fiscal year 4,223   18,115
Originated in fiscal year before current fiscal year 17,814   12,910
Originated two years before current fiscal year 14,138   36,748
Originated three years before current fiscal year 38,729   71,912
Originated four years before current fiscal year 72,748   32,504
Prior 74,859   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 2,072   1,848
Originated in current fiscal year 132   724
Originated in fiscal year before current fiscal year 729   463
Originated two years before current fiscal year 463   471
Originated three years before current fiscal year 541   122
Originated four years before current fiscal year 135   31
Prior 72   37
Greater than 100 percent | Consumer real estate | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 1,014   863
Originated in current fiscal year 117   428
Originated in fiscal year before current fiscal year 413   195
Originated two years before current fiscal year 204   144
Originated three years before current fiscal year 163   56
Originated four years before current fiscal year 67   15
Prior 50   25
Fully-insured loans | Consumer real estate | Residential Mortgage      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 9,649   9,913
Originated in current fiscal year 18   288
Originated in fiscal year before current fiscal year 215   190
Originated two years before current fiscal year 186   302
Originated three years before current fiscal year 298   3,153
Originated four years before current fiscal year 3,094   2,568
Prior $ 5,838   $ 3,412