v3.26.1
Asset Quality - Schedule of Consumer Credit Exposure (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]    
Total $ 109,190 $ 106,541
Accrued interest 443 459
Total consumer loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 209 810
Writeoff, current year 0 4
One year prior 749 456
Writeoff, one year 1 5
Two years prior 403 963
Writeoff, two year 1 7
Three years prior 912 7,377
Writeoff, three year 2 9
Four years prior 7,225 9,577
Writeoff, four year 3 9
Prior 15,547 6,339
Writeoff, prior 5 9
Revolving Loans Amortized Cost Basis 4,109 4,252
Writeoff, Revolving Loans Amortized Cost Basis 14 62
Revolving Loans Converted to Term Loans Amortized Cost Basis 240 258
Revolving Loans Converted to Term Loans Amortized Cost Basis, writeoff 0 0
Total 29,394 30,032
Writeoff, total 26 105
Accrued interest 122 121
Total consumer loans | Real estate — residential mortgage    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 117 431
Writeoff, current year 0 0
One year prior 399 273
Writeoff, one year 0 0
Two years prior 235 718
Writeoff, two year 0 0
Three years prior 687 5,934
Writeoff, three year 0 0
Four years prior 5,845 7,393
Writeoff, four year 0 0
Prior 11,198 3,981
Writeoff, prior 0 2
Revolving Loans Amortized Cost Basis 2 2
Writeoff, Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis, writeoff 0 0
Total 18,483 18,732
Writeoff, total 0 2
Total consumer loans | Real estate — residential mortgage | 750 and above    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 91 358
One year prior 329 224
Two years prior 172 607
Three years prior 561 5,342
Four years prior 5,152 6,738
Prior 9,753 3,403
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 16,058 16,672
Total consumer loans | Real estate — residential mortgage | 660 to 749    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 25 69
One year prior 64 36
Two years prior 47 86
Three years prior 97 504
Four years prior 587 582
Prior 1,186 420
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 2,006 1,697
Total consumer loans | Real estate — residential mortgage | Less than 660    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 1 2
One year prior 4 11
Two years prior 14 23
Three years prior 28 87
Four years prior 105 73
Prior 251 149
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 403 345
Total consumer loans | Real estate — residential mortgage | No Score    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 0 2
One year prior 2 2
Two years prior 2 2
Three years prior 1 1
Four years prior 1 0
Prior 8 9
Revolving Loans Amortized Cost Basis 2 2
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 16 18
Total consumer loans | Home equity loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 20 63
Writeoff, current year 0 0
One year prior 61 42
Writeoff, one year 0 0
Two years prior 40 41
Writeoff, two year 0 0
Three years prior 39 173
Writeoff, three year 0 0
Four years prior 166 869
Writeoff, four year 0 0
Prior 2,317 1,532
Writeoff, prior 0 0
Revolving Loans Amortized Cost Basis 2,645 2,725
Writeoff, Revolving Loans Amortized Cost Basis 1 2
Revolving Loans Converted to Term Loans Amortized Cost Basis 240 258
Revolving Loans Converted to Term Loans Amortized Cost Basis, writeoff 0 0
Total 5,528 5,703
Writeoff, total 1 2
Total consumer loans | Home equity loans | 750 and above    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 17 43
One year prior 43 26
Two years prior 24 23
Three years prior 22 117
Four years prior 114 676
Prior 1,782 1,164
Revolving Loans Amortized Cost Basis 1,720 1,749
Revolving Loans Converted to Term Loans Amortized Cost Basis 167 179
Total 3,889 3,977
Total consumer loans | Home equity loans | 660 to 749    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 3 18
One year prior 16 13
Two years prior 12 13
Three years prior 11 41
Four years prior 37 149
Prior 385 258
Revolving Loans Amortized Cost Basis 672 718
Revolving Loans Converted to Term Loans Amortized Cost Basis 52 58
Total 1,188 1,268
Total consumer loans | Home equity loans | Less than 660    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 0 2
One year prior 2 3
Two years prior 4 5
Three years prior 6 15
Four years prior 15 44
Prior 149 109
Revolving Loans Amortized Cost Basis 249 253
Revolving Loans Converted to Term Loans Amortized Cost Basis 21 21
Total 446 452
Total consumer loans | Home equity loans | No Score    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 0 0
One year prior 0 0
Two years prior 0 0
Three years prior 0 0
Four years prior 0 0
Prior 1 1
Revolving Loans Amortized Cost Basis 4 5
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 5 6
Total consumer loans | Other consumer loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 72 316
Writeoff, current year 0 4
One year prior 289 141
Writeoff, one year 1 5
Two years prior 128 204
Writeoff, two year 1 7
Three years prior 186 1,270
Writeoff, three year 2 9
Four years prior 1,214 1,315
Writeoff, four year 3 9
Prior 2,032 826
Writeoff, prior 5 7
Revolving Loans Amortized Cost Basis 556 572
Writeoff, Revolving Loans Amortized Cost Basis 3 15
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis, writeoff 0 0
Total 4,477 4,644
Writeoff, total 15 56
Total consumer loans | Other consumer loans | 750 and above    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 42 175
One year prior 161 73
Two years prior 65 104
Three years prior 94 986
Four years prior 945 1,032
Prior 1,545 595
Revolving Loans Amortized Cost Basis 76 81
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 2,928 3,046
Total consumer loans | Other consumer loans | 660 to 749    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 27 112
One year prior 100 48
Two years prior 44 74
Three years prior 68 220
Four years prior 208 218
Prior 374 179
Revolving Loans Amortized Cost Basis 163 172
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 984 1,023
Total consumer loans | Other consumer loans | Less than 660    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 2 17
One year prior 19 12
Two years prior 11 21
Three years prior 19 54
Four years prior 52 52
Prior 95 46
Revolving Loans Amortized Cost Basis 52 54
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 250 256
Total consumer loans | Other consumer loans | No Score    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 1 12
One year prior 9 8
Two years prior 8 5
Three years prior 5 10
Four years prior 9 13
Prior 18 6
Revolving Loans Amortized Cost Basis 265 265
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 315 319
Total consumer loans | Credit cards    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 0 0
Writeoff, current year 0 0
One year prior 0 0
Writeoff, one year 0 0
Two years prior 0 0
Writeoff, two year 0 0
Three years prior 0 0
Writeoff, three year 0 0
Four years prior 0 0
Writeoff, four year 0 0
Prior 0 0
Writeoff, prior 0 0
Revolving Loans Amortized Cost Basis 906 953
Writeoff, Revolving Loans Amortized Cost Basis 10 45
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis, writeoff 0 0
Total 906 953
Writeoff, total 10 45
Total consumer loans | Credit cards | 750 and above    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 0 0
One year prior 0 0
Two years prior 0 0
Three years prior 0 0
Four years prior 0 0
Prior 0 0
Revolving Loans Amortized Cost Basis 444 479
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 444 479
Total consumer loans | Credit cards | 660 to 749    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 0 0
One year prior 0 0
Two years prior 0 0
Three years prior 0 0
Four years prior 0 0
Prior 0 0
Revolving Loans Amortized Cost Basis 353 364
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 353 364
Total consumer loans | Credit cards | Less than 660    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 0 0
One year prior 0 0
Two years prior 0 0
Three years prior 0 0
Four years prior 0 0
Prior 0 0
Revolving Loans Amortized Cost Basis 108 108
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 108 108
Total consumer loans | Credit cards | No Score    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current 0 0
One year prior 0 0
Two years prior 0 0
Three years prior 0 0
Four years prior 0 0
Prior 0 0
Revolving Loans Amortized Cost Basis 1 2
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total $ 1 $ 2