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Asset Quality - Consumer Credit Exposure (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 100,926 | $ 101,185
Accrued interest | 242 | 241
Consumer Loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 3,290 | 10,075
One year prior | 9,110 | 5,436
Two years prior | 4,689 | 1,499
Three years prior | 1,292 | 1,040
Four years prior | 877 | 1,119
Prior | 3,883 | 3,224
Revolving Loans Amortized Cost Basis | 5,576 | 5,953
Revolving Loans Converted to Term Loans Amortized Cost Basis | 795 | 859
Total | 29,512 | 29,205
Accrued interest | 98 | 101
Consumer Loans | Real estate — residential mortgage |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 1,987 | 4,322
One year prior | 4,057 | 1,934
Two years prior | 1,590 | 293
Three years prior | 244 | 319
Four years prior | 268 | 665
Prior | 2,154 | 1,765
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 10,300 | 9,298
Consumer Loans | Real estate — residential mortgage | FICO Score, 750 and above |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 1,684 | 3,595
One year prior | 3,503 | 1,620
Two years prior | 1,326 | 194
Three years prior | 159 | 254
Four years prior | 213 | 537
Prior | 1,525 | 1,211
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 8,410 | 7,411
Consumer Loans | Real estate — residential mortgage | FICO Score, 660 to 749 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 300 | 710
One year prior | 534 | 284
Two years prior | 245 | 76
Three years prior | 63 | 48
Four years prior | 40 | 100
Prior | 384 | 332
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 1,566 | 1,550
Consumer Loans | Real estate — residential mortgage | FICO Score, Less than 660 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 2 | 16
One year prior | 19 | 28
Two years prior | 17 | 21
Three years prior | 20 | 10
Four years prior | 9 | 26
Prior | 172 | 170
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 239 | 271
Consumer Loans | Real estate — residential mortgage | FICO Score, No Score |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 1 | 1
One year prior | 1 | 2
Two years prior | 2 | 2
Three years prior | 2 | 7
Four years prior | 6 | 2
Prior | 73 | 52
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 85 | 66
Consumer Loans | Home equity loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 535 | 1,457
One year prior | 1,358 | 634
Two years prior | 565 | 269
Three years prior | 234 | 299
Four years prior | 262 | 279
Prior | 1,329 | 1,207
Revolving Loans Amortized Cost Basis | 4,081 | 4,357
Revolving Loans Converted to Term Loans Amortized Cost Basis | 794 | 858
Total | 9,158 | 9,360
Consumer Loans | Home equity loans | FICO Score, 750 and above |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 407 | 1,043
One year prior | 943 | 404
Two years prior | 367 | 168
Three years prior | 151 | 202
Four years prior | 182 | 190
Prior | 926 | 839
Revolving Loans Amortized Cost Basis | 2,544 | 2,689
Revolving Loans Converted to Term Loans Amortized Cost Basis | 551 | 590
Total | 6,071 | 6,125
Consumer Loans | Home equity loans | FICO Score, 660 to 749 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 121 | 385
One year prior | 386 | 198
Two years prior | 172 | 82
Three years prior | 65 | 77
Four years prior | 63 | 69
Prior | 280 | 253
Revolving Loans Amortized Cost Basis | 1,132 | 1,237
Revolving Loans Converted to Term Loans Amortized Cost Basis | 186 | 206
Total | 2,405 | 2,507
Consumer Loans | Home equity loans | FICO Score, Less than 660 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 7 | 27
One year prior | 27 | 30
Two years prior | 24 | 18
Three years prior | 17 | 20
Four years prior | 17 | 20
Prior | 121 | 113
Revolving Loans Amortized Cost Basis | 400 | 426
Revolving Loans Converted to Term Loans Amortized Cost Basis | 56 | 61
Total | 669 | 715
Consumer Loans | Home equity loans | FICO Score, No Score |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 2
One year prior | 2 | 2
Two years prior | 2 | 1
Three years prior | 1 | 0
Four years prior | 0 | 0
Prior | 2 | 2
Revolving Loans Amortized Cost Basis | 5 | 5
Revolving Loans Converted to Term Loans Amortized Cost Basis | 1 | 1
Total | 13 | 13
Consumer Loans | Consumer direct loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 633 | 2,407
One year prior | 2,125 | 1,223
Two years prior | 1,060 | 237
Three years prior | 207 | 83
Four years prior | 66 | 45
Prior | 184 | 111
Revolving Loans Amortized Cost Basis | 586 | 607
Revolving Loans Converted to Term Loans Amortized Cost Basis | 1 | 1
Total | 4,862 | 4,714
Consumer Loans | Consumer direct loans | FICO Score, 750 and above |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 499 | 1,840
One year prior | 1,636 | 883
Two years prior | 759 | 115
Three years prior | 103 | 32
Four years prior | 29 | 16
Prior | 102 | 57
Revolving Loans Amortized Cost Basis | 110 | 119
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 3,238 | 3,062
Consumer Loans | Consumer direct loans | FICO Score, 660 to 749 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 120 | 479
One year prior | 421 | 268
Two years prior | 233 | 80
Three years prior | 67 | 22
Four years prior | 17 | 14
Prior | 48 | 33
Revolving Loans Amortized Cost Basis | 231 | 254
Revolving Loans Converted to Term Loans Amortized Cost Basis | 1 | 1
Total | 1,138 | 1,151
Consumer Loans | Consumer direct loans | FICO Score, Less than 660 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 4 | 23
One year prior | 21 | 37
Two years prior | 31 | 21
Three years prior | 19 | 8
Four years prior | 6 | 5
Prior | 14 | 10
Revolving Loans Amortized Cost Basis | 71 | 81
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 166 | 185
Consumer Loans | Consumer direct loans | FICO Score, No Score |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 10 | 65
One year prior | 47 | 35
Two years prior | 37 | 21
Three years prior | 18 | 21
Four years prior | 14 | 10
Prior | 20 | 11
Revolving Loans Amortized Cost Basis | 174 | 153
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 320 | 316
Consumer Loans | Commercial credit card |  |
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 | 909 | 989
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 909 | 989
Consumer Loans | Commercial credit card | FICO Score, 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 | 441 | 488
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 441 | 488
Consumer Loans | Commercial credit card | FICO Score, 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 | 379 | 407
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 379 | 407
Consumer Loans | Commercial credit card | FICO Score, 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 | 88 | 93
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 88 | 93
Consumer Loans | Commercial credit card | FICO Score, 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 | 1
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 1 | 1
Consumer Loans | Consumer indirect loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 135 | 1,889
One year prior | 1,570 | 1,645
Two years prior | 1,474 | 700
Three years prior | 607 | 339
Four years prior | 281 | 130
Prior | 216 | 141
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 4,283 | 4,844
Consumer Loans | Consumer indirect loans | FICO Score, 750 and above |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 135 | 1,092
One year prior | 880 | 924
Two years prior | 851 | 369
Three years prior | 329 | 188
Four years prior | 158 | 69
Prior | 105 | 66
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 2,458 | 2,708
Consumer Loans | Consumer indirect loans | FICO Score, 660 to 749 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 653
One year prior | 566 | 558
Two years prior | 483 | 232
Three years prior | 193 | 97
Four years prior | 79 | 36
Prior | 68 | 47
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 1,389 | 1,623
Consumer Loans | Consumer indirect loans | FICO Score, Less than 660 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 143
One year prior | 124 | 163
Two years prior | 140 | 99
Three years prior | 85 | 54
Four years prior | 44 | 25
Prior | 42 | 28
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | 435 | 512
Consumer Loans | Consumer indirect loans | FICO Score, No Score |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current | 0 | 1
One year prior | 0 | 0
Two years prior | 0 | 0
Three years prior | 0 | 0
Four years prior | 0 | 0
Prior | 1 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term Loans Amortized Cost Basis | 0 | 0
Total | $ 1 | $ 1

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