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Loans - Consumer Banking Portfolio by Credit Quality Indicator (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 303,943 | $ 277,340
Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 27,447 | 38,021
Term loans by vintage year two | 28,364 | 18,865
Term loans by vintage year three | 12,996 | 10,789
Term loans by vintage year four | 6,965 | 5,487
Term loans by vintage year five | 3,161 | 2,816
Term loans by vintage after year five | 1,820 | 1,287
Total term loans | 80,753 | 77,265
Revolving loans | 439 | 373
Revolving loans converted to term | 7 | 8
Total | 81,199 | 77,646
Auto | Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 27,294 | 37,736
Term loans by vintage year two | 28,226 | 18,687
Term loans by vintage year three | 12,904 | 10,615
Term loans by vintage year four | 6,828 | 5,318
Term loans by vintage year five | 3,024 | 2,639
Term loans by vintage after year five | 1,304 | 784
Total term loans | 79,580 | 75,779
Revolving loans | 0 | 0
Revolving loans converted to term | 0 | 0
Total | 79,580 | 75,779
Retail banking | Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 153 | 285
Term loans by vintage year two | 138 | 178
Term loans by vintage year three | 92 | 174
Term loans by vintage year four | 137 | 169
Term loans by vintage year five | 137 | 177
Term loans by vintage after year five | 516 | 503
Total term loans | 1,173 | 1,486
Revolving loans | 439 | 373
Revolving loans converted to term | 7 | 8
Total | 1,619 | 1,867
PPP loans | 38 | 232
Current | Retail banking | Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 153 | 285
Term loans by vintage year two | 136 | 171
Term loans by vintage year three | 91 | 172
Term loans by vintage year four | 135 | 161
Term loans by vintage year five | 130 | 176
Term loans by vintage after year five | 505 | 491
Total term loans | 1,150 | 1,456
Revolving loans | 425 | 345
Revolving loans converted to term | 5 | 6
Total | 1,580 | 1,807
30-59 days | Retail banking | Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 0 | 0
Term loans by vintage year two | 1 | 2
Term loans by vintage year three | 0 | 2
Term loans by vintage year four | 0 | 7
Term loans by vintage year five | 4 | 0
Term loans by vintage after year five | 2 | 1
Total term loans | 7 | 12
Revolving loans | 8 | 23
Revolving loans converted to term | 0 | 0
Total | 15 | 35
60-89 days | Retail banking | Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 0 | 0
Term loans by vintage year two | 1 | 4
Term loans by vintage year three | 0 | 0
Term loans by vintage year four | 2 | 0
Term loans by vintage year five | 0 | 0
Term loans by vintage after year five | 0 | 2
Total term loans | 3 | 6
Revolving loans | 2 | 1
Revolving loans converted to term | 0 | 0
Total | 5 | 7
Greater than 90 days | Retail banking | Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 0 | 0
Term loans by vintage year two | 0 | 1
Term loans by vintage year three | 1 | 0
Term loans by vintage year four | 0 | 1
Term loans by vintage year five | 3 | 1
Term loans by vintage after year five | 9 | 9
Total term loans | 13 | 12
Revolving loans | 4 | 4
Revolving loans converted to term | 2 | 2
Total | 19 | 18
Greater than 660 | Auto | Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 15,488 | 20,758
Term loans by vintage year two | 15,559 | 8,630
Term loans by vintage year three | 6,005 | 4,739
Term loans by vintage year four | 3,020 | 2,394
Term loans by vintage year five | 1,300 | 1,153
Term loans by vintage after year five | 502 | 301
Total term loans | 41,874 | 37,975
Revolving loans | 0 | 0
Revolving loans converted to term | 0 | 0
Total | 41,874 | 37,975
621-660 | Auto | Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 5,301 | 7,456
Term loans by vintage year two | 5,543 | 3,721
Term loans by vintage year three | 2,535 | 2,109
Term loans by vintage year four | 1,349 | 1,084
Term loans by vintage year five | 626 | 537
Term loans by vintage after year five | 270 | 157
Total term loans | 15,624 | 15,064
Revolving loans | 0 | 0
Revolving loans converted to term | 0 | 0
Total | 15,624 | 15,064
620 or below | Auto | Consumer Banking |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term loans by vintage year one | 6,505 | 9,522
Term loans by vintage year two | 7,124 | 6,336
Term loans by vintage year three | 4,364 | 3,767
Term loans by vintage year four | 2,459 | 1,840
Term loans by vintage year five | 1,098 | 949
Term loans by vintage after year five | 532 | 326
Total term loans | 22,082 | 22,740
Revolving loans | 0 | 0
Revolving loans converted to term | 0 | 0
Total | $ 22,082 | $ 22,740

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