v3.26.1
Loans and Related Allowance for Credit Losses, Credit Quality Indicators for Residential Mortgage Loans by Vintage (Details) - Total Consumer [Member] - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Total loans $ 387,147   $ 386,272
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Loan charge-offs, loans 997 $ 1,022  
Residential mortgage [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 4,751   16,694
Term loans by origination year, fiscal year before current fiscal year, finance receivable 15,950   8,105
Term loans by origination year, two years before current fiscal year, finance receivable 7,620   10,132
Term loans by origination year, three years before current fiscal year, finance receivable 9,699   40,818
Term loans by origination year, four years before current fiscal year, finance receivable 40,114   55,741
Term loans by origination year, more than five years before current fiscal year, finance receivable 152,741   100,239
Revolving loans, finance receivable 3,441   3,871
Revolving loans converted to term loans, finance receivable 6,523   6,590
Total loans 240,839   242,190
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, charge-offs 0   0
Term loans by origination year, fiscal year before current fiscal year, charge-offs 0   1
Term loans by origination year, two years before current fiscal year, charge-offs 0   1
Term loans by origination year, three years before current fiscal year, charge-offs 0   7
Term loans by origination year, four years before current fiscal year, charge-offs 1   8
Term loans by origination year, more than five years before current fiscal year, charge-offs 5   29
Revolving loans, charge-offs 0   2
Revolving loans converted to term loans, charge-offs 6   21
Loan charge-offs, loans 12 $ 11 69
Residential mortgage [Member] | Not government insured/guaranteed [Member] | LTV 0-80% [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 4,721   15,501
Term loans by origination year, fiscal year before current fiscal year, finance receivable 14,368   7,473
Term loans by origination year, two years before current fiscal year, finance receivable 7,054   9,687
Term loans by origination year, three years before current fiscal year, finance receivable 9,281   38,247
Term loans by origination year, four years before current fiscal year, finance receivable 37,853   55,218
Term loans by origination year, more than five years before current fiscal year, finance receivable 146,385   94,237
Revolving loans, finance receivable 3,285   3,825
Revolving loans converted to term loans, finance receivable 6,441   6,502
Total loans 229,388   230,690
Residential mortgage [Member] | Not government insured/guaranteed [Member] | LTV 80.01-100% [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 26   1,152
Term loans by origination year, fiscal year before current fiscal year, finance receivable 1,537   573
Term loans by origination year, two years before current fiscal year, finance receivable 515   394
Term loans by origination year, three years before current fiscal year, finance receivable 373   2,434
Term loans by origination year, four years before current fiscal year, finance receivable 2,135   437
Term loans by origination year, more than five years before current fiscal year, finance receivable 733   283
Revolving loans, finance receivable 23   27
Revolving loans converted to term loans, finance receivable 53   56
Total loans 5,395   5,356
Residential mortgage [Member] | Not government insured/guaranteed [Member] | LTV greater than 100% [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 0   7
Term loans by origination year, fiscal year before current fiscal year, finance receivable 8   22
Term loans by origination year, two years before current fiscal year, finance receivable 18   25
Term loans by origination year, three years before current fiscal year, finance receivable 19   93
Term loans by origination year, four years before current fiscal year, finance receivable 91   34
Term loans by origination year, more than five years before current fiscal year, finance receivable 82   40
Revolving loans, finance receivable 5   8
Revolving loans converted to term loans, finance receivable 14   12
Total loans 237   241
Residential mortgage [Member] | Not government insured/guaranteed [Member] | No LTV available [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 4   32
Term loans by origination year, fiscal year before current fiscal year, finance receivable 34   35
Term loans by origination year, two years before current fiscal year, finance receivable 32   20
Term loans by origination year, three years before current fiscal year, finance receivable 19   38
Term loans by origination year, four years before current fiscal year, finance receivable 30   32
Term loans by origination year, more than five years before current fiscal year, finance receivable 145   146
Revolving loans, finance receivable 128   11
Revolving loans converted to term loans, finance receivable 15   20
Total loans 407   334
Residential mortgage [Member] | Not government insured/guaranteed [Member] | FICO 740 or more [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 4,442   15,739
Term loans by origination year, fiscal year before current fiscal year, finance receivable 15,023   7,606
Term loans by origination year, two years before current fiscal year, finance receivable 7,196   9,518
Term loans by origination year, three years before current fiscal year, finance receivable 9,120   37,588
Term loans by origination year, four years before current fiscal year, finance receivable 36,952   52,338
Term loans by origination year, more than five years before current fiscal year, finance receivable 133,283   83,614
Revolving loans, finance receivable 2,767   3,078
Revolving loans converted to term loans, finance receivable 4,049   4,028
Total loans 212,832   213,509
Residential mortgage [Member] | Not government insured/guaranteed [Member] | FICO 700 to 739 [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 262   678
Term loans by origination year, fiscal year before current fiscal year, finance receivable 618   314
Term loans by origination year, two years before current fiscal year, finance receivable 267   348
Term loans by origination year, three years before current fiscal year, finance receivable 330   1,888
Term loans by origination year, four years before current fiscal year, finance receivable 1,830   2,043
Term loans by origination year, more than five years before current fiscal year, finance receivable 6,874   5,078
Revolving loans, finance receivable 340   393
Revolving loans converted to term loans, finance receivable 847   848
Total loans 11,368   11,590
Residential mortgage [Member] | Not government insured/guaranteed [Member] | FICO 660 to 699 [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 42   168
Term loans by origination year, fiscal year before current fiscal year, finance receivable 157   102
Term loans by origination year, two years before current fiscal year, finance receivable 82   138
Term loans by origination year, three years before current fiscal year, finance receivable 143   722
Term loans by origination year, four years before current fiscal year, finance receivable 765   794
Term loans by origination year, more than five years before current fiscal year, finance receivable 2,968   2,242
Revolving loans, finance receivable 151   183
Revolving loans converted to term loans, finance receivable 526   524
Total loans 4,834   4,873
Residential mortgage [Member] | Not government insured/guaranteed [Member] | FICO 620 to 659 [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 1   49
Term loans by origination year, fiscal year before current fiscal year, finance receivable 57   10
Term loans by origination year, two years before current fiscal year, finance receivable 20   40
Term loans by origination year, three years before current fiscal year, finance receivable 22   269
Term loans by origination year, four years before current fiscal year, finance receivable 206   202
Term loans by origination year, more than five years before current fiscal year, finance receivable 1,068   900
Revolving loans, finance receivable 53   63
Revolving loans converted to term loans, finance receivable 258   252
Total loans 1,685   1,785
Residential mortgage [Member] | Not government insured/guaranteed [Member] | FICO less than 620 [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 0   5
Term loans by origination year, fiscal year before current fiscal year, finance receivable 4   5
Term loans by origination year, two years before current fiscal year, finance receivable 4   16
Term loans by origination year, three years before current fiscal year, finance receivable 20   157
Term loans by origination year, four years before current fiscal year, finance receivable 171   147
Term loans by origination year, more than five years before current fiscal year, finance receivable 1,331   1,194
Revolving loans, finance receivable 75   82
Revolving loans converted to term loans, finance receivable 431   434
Total loans 2,036   2,040
Residential mortgage [Member] | Not government insured/guaranteed [Member] | No FICO available [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 4   53
Term loans by origination year, fiscal year before current fiscal year, finance receivable 88   66
Term loans by origination year, two years before current fiscal year, finance receivable 50   66
Term loans by origination year, three years before current fiscal year, finance receivable 57   188
Term loans by origination year, four years before current fiscal year, finance receivable 185   197
Term loans by origination year, more than five years before current fiscal year, finance receivable 1,821   1,678
Revolving loans, finance receivable 55   72
Revolving loans converted to term loans, finance receivable 412   504
Total loans 2,672   2,824
Residential mortgage [Member] | Not government insured/guaranteed [Member] | Current-29 days past due [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 4,751   16,684
Term loans by origination year, fiscal year before current fiscal year, finance receivable 15,941   8,093
Term loans by origination year, two years before current fiscal year, finance receivable 7,608   10,109
Term loans by origination year, three years before current fiscal year, finance receivable 9,672   40,678
Term loans by origination year, four years before current fiscal year, finance receivable 39,970   55,583
Term loans by origination year, more than five years before current fiscal year, finance receivable 146,297   93,805
Revolving loans, finance receivable 3,419   3,852
Revolving loans converted to term loans, finance receivable 6,268   6,326
Total loans 233,926   235,130
Residential mortgage [Member] | Not government insured/guaranteed [Member] | 30 to 89 days past due [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 0   8
Term loans by origination year, fiscal year before current fiscal year, finance receivable 6   4
Term loans by origination year, two years before current fiscal year, finance receivable 7   10
Term loans by origination year, three years before current fiscal year, finance receivable 13   83
Term loans by origination year, four years before current fiscal year, finance receivable 85   81
Term loans by origination year, more than five years before current fiscal year, finance receivable 644   572
Revolving loans, finance receivable 12   13
Revolving loans converted to term loans, finance receivable 120   124
Total loans 887   895
Residential mortgage [Member] | Not government insured/guaranteed [Member] | 90 days or more past due [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 0   0
Term loans by origination year, fiscal year before current fiscal year, finance receivable 0   6
Term loans by origination year, two years before current fiscal year, finance receivable 4   7
Term loans by origination year, three years before current fiscal year, finance receivable 7   51
Term loans by origination year, four years before current fiscal year, finance receivable 54   57
Term loans by origination year, more than five years before current fiscal year, finance receivable 404   329
Revolving loans, finance receivable 10   6
Revolving loans converted to term loans, finance receivable 135   140
Total loans 614   596
Residential mortgage [Member] | Government insured or guaranteed [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Term loans by origination year, current fiscal year, finance receivable 0   2
Term loans by origination year, fiscal year before current fiscal year, finance receivable 3   2
Term loans by origination year, two years before current fiscal year, finance receivable 1   6
Term loans by origination year, three years before current fiscal year, finance receivable 7   6
Term loans by origination year, four years before current fiscal year, finance receivable 5   20
Term loans by origination year, more than five years before current fiscal year, finance receivable 5,396   5,533
Revolving loans, finance receivable 0   0
Revolving loans converted to term loans, finance receivable 0   0
Total loans 5,412   5,569
Residential mortgage [Member] | Government insured or guaranteed [Member] | 90 days or more past due [Member]      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Total loans $ 1,600   $ 1,700