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Loans and Related Allowance for Credit Losses (Commercial Quality Indicators) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Total loans, net | [1] | $ 321,508 | $ 326,025 |
Gross charge-offs |  |  |  |
Total |  | 1,092 | 985 | $ 1,101
Commercial |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 29,806 | 53,984 |
Year two |  | 39,814 | 18,123 |
Year three |  | 12,512 | 12,997 |
Year four |  | 9,535 | 13,538 |
Year five |  | 10,387 | 8,745 |
Prior |  | 23,271 | 24,043 |
Revolving Loans |  | 93,609 | 93,519 |
Revolving Loans Converted to Term |  | 624 | 100 |
Total loans, net |  | 219,558 | 225,049 |
Gross charge-offs |  |  |  |
Year One |  | 29 |  |
Year Two |  | 36 |  |
Year Three |  | 37 |  |
Year Four |  | 24 |  |
Year Five |  | 35 |  |
Prior |  | 164 |  |
Revolving Loans |  | 105 |  |
Revolving Loans Converted to Term |  | 12 |  |
Total |  | 442 | 307 | $ 434
Commercial | Commercial and industrial |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 23,857 | 42,944 |
Year two |  | 28,438 | 12,916 |
Year three |  | 8,301 | 8,411 |
Year four |  | 6,114 | 6,560 |
Year five |  | 4,391 | 4,506 |
Prior |  | 12,680 | 13,716 |
Revolving Loans |  | 93,175 | 93,066 |
Revolving Loans Converted to Term |  | 624 | 100 |
Total loans, net |  | 177,580 | 182,219 |
Gross charge-offs |  |  |  |
Year One |  | 25 |  |
Year Two |  | 32 |  |
Year Three |  | 33 |  |
Year Four |  | 8 |  |
Year Five |  | 3 |  |
Prior |  | 26 |  |
Revolving Loans |  | 105 |  |
Revolving Loans Converted to Term |  | 12 |  |
Total |  | 244 |  |
Commercial | Commercial real estate |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 4,337 | 9,183 |
Year two |  | 9,871 | 4,190 |
Year three |  | 3,441 | 3,588 |
Year four |  | 2,680 | 6,269 |
Year five |  | 5,509 | 3,812 |
Prior |  | 9,164 | 8,821 |
Revolving Loans |  | 434 | 453 |
Total loans, net |  | 35,436 | 36,316 |
Gross charge-offs |  |  |  |
Year Four |  | 12 |  |
Year Five |  | 31 |  |
Prior |  | 137 |  |
Total |  | 180 |  |
Commercial | Equipment lease financing |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 1,612 | 1,857 |
Year two |  | 1,505 | 1,017 |
Year three |  | 770 | 998 |
Year four |  | 741 | 709 |
Year five |  | 487 | 427 |
Prior |  | 1,427 | 1,506 |
Total loans, net |  | 6,542 | 6,514 |
Gross charge-offs |  |  |  |
Year One |  | 4 |  |
Year Two |  | 4 |  |
Year Three |  | 4 |  |
Year Four |  | 4 |  |
Year Five |  | 1 |  |
Prior |  | 1 |  |
Total |  | 18 |  |
Pass Rated | Commercial | Commercial and industrial |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 23,019 | 41,685 |
Year two |  | 26,657 | 12,493 |
Year three |  | 7,562 | 8,134 |
Year four |  | 5,783 | 6,261 |
Year five |  | 4,110 | 4,209 |
Prior |  | 11,982 | 13,165 |
Revolving Loans |  | 88,467 | 89,384 |
Revolving Loans Converted to Term |  | 573 | 69 |
Total loans, net |  | 168,153 | 175,400 |
Pass Rated | Commercial | Commercial real estate |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 4,182 | 8,835 |
Year two |  | 8,571 | 4,153 |
Year three |  | 2,986 | 3,266 |
Year four |  | 2,190 | 5,511 |
Year five |  | 4,887 | 3,005 |
Prior |  | 7,411 | 7,454 |
Revolving Loans |  | 383 | 450 |
Total loans, net |  | 30,610 | 32,674 |
Pass Rated | Commercial | Equipment lease financing |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 1,522 | 1,797 |
Year two |  | 1,424 | 962 |
Year three |  | 689 | 942 |
Year four |  | 690 | 670 |
Year five |  | 452 | 410 |
Prior |  | 1,378 | 1,495 |
Total loans, net |  | 6,155 | 6,276 |
Criticized | Commercial | Commercial and industrial |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 838 | 1,259 |
Year two |  | 1,781 | 423 |
Year three |  | 739 | 277 |
Year four |  | 331 | 299 |
Year five |  | 281 | 297 |
Prior |  | 698 | 551 |
Revolving Loans |  | 4,708 | 3,682 |
Revolving Loans Converted to Term |  | 51 | 31 |
Total loans, net |  | 9,427 | 6,819 |
Criticized | Commercial | Commercial real estate |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 155 | 348 |
Year two |  | 1,300 | 37 |
Year three |  | 455 | 322 |
Year four |  | 490 | 758 |
Year five |  | 622 | 807 |
Prior |  | 1,753 | 1,367 |
Revolving Loans |  | 51 | 3 |
Total loans, net |  | 4,826 | 3,642 |
Criticized | Commercial | Equipment lease financing |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |
Year one |  | 90 | 60 |
Year two |  | 81 | 55 |
Year three |  | 81 | 56 |
Year four |  | 51 | 39 |
Year five |  | 35 | 17 |
Prior |  | 49 | 11 |
Total loans, net |  | $ 387 | $ 238 |
[1] | Our consolidated assets included the following for which we have elected the fair value option: Loans held for sale of $0.7 billion, Loans of $1.2 billion and Other assets of $0.1 billion at December 31, 2023. Comparable amounts at December 31, 2022 were $0.9 billion, $1.3 billion and $0.1 billion, respectively.

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