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Loans - Commercial Banking: Risk Profile by Internal Risk Rating (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total | $ 277,340 | $ 251,624
Commercial Banking |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 19,811 | 14,262
Term loans by vintage year two | 10,398 | 14,181
Term loans by vintage year three | 10,239 | 8,366
Term loans by vintage year four | 5,788 | 4,818
Term loans by vintage year five | 2,919 | 3,990
Term loans by vintage after year five | 8,492 | 9,561
Total term loans | 57,647 | 55,178
Revolving loans | 27,191 | 20,455
Revolving loans converted to term | 84 | 147
Total | 84,922 | 75,780
PPP loans | 102 | 238
Commercial Banking | Commercial and multifamily real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 6,838 | 4,111
Term loans by vintage year two | 3,119 | 5,389
Term loans by vintage year three | 3,810 | 3,777
Term loans by vintage year four | 2,738 | 1,798
Term loans by vintage year five | 1,063 | 2,043
Term loans by vintage after year five | 5,282 | 6,312
Total term loans | 22,850 | 23,430
Revolving loans | 12,387 | 7,226
Revolving loans converted to term | 25 | 25
Total | 35,262 | 30,681
Commercial Banking | Commercial and multifamily real estate | Noncriticized |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 6,590 | 3,791
Term loans by vintage year two | 2,924 | 4,932
Term loans by vintage year three | 3,393 | 3,232
Term loans by vintage year four | 2,401 | 1,437
Term loans by vintage year five | 793 | 1,649
Term loans by vintage after year five | 3,538 | 4,904
Total term loans | 19,639 | 19,945
Revolving loans | 12,286 | 7,114
Revolving loans converted to term | 0 | 0
Total | 31,925 | 27,059
Commercial Banking | Commercial and multifamily real estate | Criticized | Criticized performing |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 248 | 320
Term loans by vintage year two | 195 | 446
Term loans by vintage year three | 329 | 515
Term loans by vintage year four | 317 | 355
Term loans by vintage year five | 261 | 391
Term loans by vintage after year five | 1,478 | 1,258
Total term loans | 2,828 | 3,285
Revolving loans | 101 | 112
Revolving loans converted to term | 25 | 25
Total | 2,954 | 3,422
Commercial Banking | Commercial and multifamily real estate | Criticized | Criticized nonperforming |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 0 | 0
Term loans by vintage year two | 0 | 11
Term loans by vintage year three | 88 | 30
Term loans by vintage year four | 20 | 6
Term loans by vintage year five | 9 | 3
Term loans by vintage after year five | 266 | 150
Total term loans | 383 | 200
Revolving loans | 0 | 0
Revolving loans converted to term | 0 | 0
Total | 383 | 200
Commercial Banking | Commercial And Industrial [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 12,973 | 10,151
Term loans by vintage year two | 7,279 | 8,792
Term loans by vintage year three | 6,429 | 4,589
Term loans by vintage year four | 3,050 | 3,020
Term loans by vintage year five | 1,856 | 1,947
Term loans by vintage after year five | 3,210 | 3,249
Total term loans | 34,797 | 31,748
Revolving loans | 14,804 | 13,229
Revolving loans converted to term | 59 | 122
Total | 49,660 | 45,099
Commercial Banking | Commercial And Industrial [Member] | Noncriticized |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 12,662 | 9,761
Term loans by vintage year two | 7,039 | 7,890
Term loans by vintage year three | 5,506 | 4,043
Term loans by vintage year four | 2,750 | 2,717
Term loans by vintage year five | 1,730 | 1,832
Term loans by vintage after year five | 3,033 | 3,034
Total term loans | 32,720 | 29,277
Revolving loans | 14,310 | 11,548
Revolving loans converted to term | 59 | 80
Total | 47,089 | 40,905
Commercial Banking | Commercial And Industrial [Member] | Criticized | Criticized performing |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 279 | 316
Term loans by vintage year two | 188 | 794
Term loans by vintage year three | 838 | 521
Term loans by vintage year four | 207 | 252
Term loans by vintage year five | 120 | 106
Term loans by vintage after year five | 167 | 215
Total term loans | 1,799 | 2,204
Revolving loans | 456 | 1,498
Revolving loans converted to term | 0 | 42
Total | 2,255 | 3,744
Commercial Banking | Commercial And Industrial [Member] | Criticized | Criticized nonperforming |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 32 | 74
Term loans by vintage year two | 52 | 108
Term loans by vintage year three | 85 | 25
Term loans by vintage year four | 93 | 51
Term loans by vintage year five | 6 | 9
Term loans by vintage after year five | 10 | 0
Total term loans | 278 | 267
Revolving loans | 38 | 183
Revolving loans converted to term | 0 | 0
Total | $ 316 | $ 450

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