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Loans - Commercial Banking: Risk Profile by Internal Risk Rating (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total | $ 312,331 | $ 277,340
Commercial Banking |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 33,735 | 19,811
Term loans by vintage year two | 11,096 | 10,398
Term loans by vintage year three | 4,458 | 10,239
Term loans by vintage year four | 4,152 | 5,788
Term loans by vintage year five | 2,781 | 2,919
Term loans by vintage after year five | 6,814 | 8,492
Total term loans | 63,036 | 57,647
Revolving loans | 31,594 | 27,191
Revolving loans converted to term | 46 | 84
Total | 94,676 | 84,922
Commercial Banking | Commercial and multifamily real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 10,442 | 6,838
Term loans by vintage year two | 4,484 | 3,119
Term loans by vintage year three | 1,363 | 3,810
Term loans by vintage year four | 2,096 | 2,738
Term loans by vintage year five | 1,601 | 1,063
Term loans by vintage after year five | 4,075 | 5,282
Total term loans | 24,061 | 22,850
Revolving loans | 13,367 | 12,387
Revolving loans converted to term | 25 | 25
Total | 37,453 | 35,262
Commercial Banking | Commercial and multifamily real estate | Noncriticized |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 9,527 | 6,590
Term loans by vintage year two | 4,086 | 2,924
Term loans by vintage year three | 1,161 | 3,393
Term loans by vintage year four | 1,671 | 2,401
Term loans by vintage year five | 1,280 | 793
Term loans by vintage after year five | 2,898 | 3,538
Total term loans | 20,623 | 19,639
Revolving loans | 13,254 | 12,286
Revolving loans converted to term | 25 | 0
Total | 33,902 | 31,925
Commercial Banking | Commercial and multifamily real estate | Criticized | Criticized performing |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 814 | 248
Term loans by vintage year two | 376 | 195
Term loans by vintage year three | 202 | 329
Term loans by vintage year four | 412 | 317
Term loans by vintage year five | 302 | 261
Term loans by vintage after year five | 1,061 | 1,478
Total term loans | 3,167 | 2,828
Revolving loans | 113 | 101
Revolving loans converted to term | 0 | 25
Total | 3,280 | 2,954
Commercial Banking | Commercial and multifamily real estate | Criticized | Criticized nonperforming |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 101 | 0
Term loans by vintage year two | 22 | 0
Term loans by vintage year three | 0 | 88
Term loans by vintage year four | 13 | 20
Term loans by vintage year five | 19 | 9
Term loans by vintage after year five | 116 | 266
Total term loans | 271 | 383
Revolving loans | 0 | 0
Revolving loans converted to term | 0 | 0
Total | 271 | 383
Commercial Banking | Commercial And Industrial [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 23,293 | 12,973
Term loans by vintage year two | 6,612 | 7,279
Term loans by vintage year three | 3,095 | 6,429
Term loans by vintage year four | 2,056 | 3,050
Term loans by vintage year five | 1,180 | 1,856
Term loans by vintage after year five | 2,739 | 3,210
Total term loans | 38,975 | 34,797
Revolving loans | 18,227 | 14,804
Revolving loans converted to term | 21 | 59
Total | 57,223 | 49,660
Commercial Banking | Commercial And Industrial [Member] | Noncriticized |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 22,105 | 12,662
Term loans by vintage year two | 6,031 | 7,039
Term loans by vintage year three | 2,934 | 5,506
Term loans by vintage year four | 1,809 | 2,750
Term loans by vintage year five | 973 | 1,730
Term loans by vintage after year five | 2,658 | 3,033
Total term loans | 36,510 | 32,720
Revolving loans | 17,187 | 14,310
Revolving loans converted to term | 21 | 59
Total | 53,718 | 47,089
Commercial Banking | Commercial And Industrial [Member] | Criticized | Criticized performing |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 992 | 279
Term loans by vintage year two | 560 | 188
Term loans by vintage year three | 156 | 838
Term loans by vintage year four | 160 | 207
Term loans by vintage year five | 167 | 120
Term loans by vintage after year five | 76 | 167
Total term loans | 2,111 | 1,799
Revolving loans | 964 | 456
Revolving loans converted to term | 0 | 0
Total | 3,075 | 2,255
Commercial Banking | Commercial And Industrial [Member] | Criticized | Criticized nonperforming |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Term loans by vintage year one | 196 | 32
Term loans by vintage year two | 21 | 52
Term loans by vintage year three | 5 | 85
Term loans by vintage year four | 87 | 93
Term loans by vintage year five | 40 | 6
Term loans by vintage after year five | 5 | 10
Total term loans | 354 | 278
Revolving loans | 76 | 38
Revolving loans converted to term | 0 | 0
Total | $ 430 | $ 316

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