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Loans and Related Allowance for Credit Losses (Analysis of Loan Portfolio) (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |
Total loans | [1] | $ 315,400 | $ 288,372
Percentage of total loans, past due |  | 100.00% | 100.00%
Accrued interest on loan portfolio |  | $ 1,000 | $ 700
Unearned income, unamortized deferred fees and costs on originated loans, and premiums or discounts on purchased loans |  | 700 | 700
Collateral Dependent |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 1,300 | 1,700
Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | $ 1,626 | $ 1,985
Percentage of total loans, past due |  | 0.52% | 0.69%
Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | $ 311,052 | $ 283,155
Percentage of total loans, past due |  | 98.61% | 98.19%
30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | $ 879 | $ 1,011
Percentage of total loans, past due |  | 0.28% | 0.35%
60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | $ 268 | $ 355
Percentage of total loans, past due |  | 0.08% | 0.12%
90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | $ 479 | $ 619
Percentage of total loans, past due |  | 0.15% | 0.21%
Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | $ 2,068 | $ 2,480
Percentage of total loans, past due |  | 0.66% | 0.86%
Fair Value Option Nonaccrual Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Nonaccrual loans |  | $ 654 | $ 752
Percentage of total loans, nonaccrual, past due |  | 0.21% | 0.26%
Total commercial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | $ 215,597 | $ 193,078
Total commercial | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 547 | 537
Total commercial | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 214,147 | 191,373
Total commercial | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 338 | 306
Total commercial | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 65 | 98
Total commercial | 90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 144 | 133
Total commercial | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 903 | 1,168
Total consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 99,803 | 95,294
Total consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 1,079 | 1,448
Total consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 96,905 | 91,782
Total consumer | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 541 | 705
Total consumer | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 203 | 257
Total consumer | 90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 335 | 486
Total consumer | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 1,165 | 1,312
Total consumer | Fair Value Option Nonaccrual Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Nonaccrual loans |  | 654 | 752
Commercial and industrial | Total commercial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 173,813 | 152,933
Commercial and industrial | Total commercial | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 515 | 439
Commercial and industrial | Total commercial | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 172,550 | 151,698
Commercial and industrial | Total commercial | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 321 | 235
Commercial and industrial | Total commercial | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 55 | 72
Commercial and industrial | Total commercial | 90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 139 | 132
Commercial and industrial | Total commercial | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 748 | 796
Commercial real estate | Total commercial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 35,592 | 34,015
Commercial real estate | Total commercial | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 20 | 71
Commercial real estate | Total commercial | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 35,424 | 33,580
Commercial real estate | Total commercial | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 11 | 46
Commercial real estate | Total commercial | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 4 | 24
Commercial real estate | Total commercial | 90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 5 | 1
Commercial real estate | Total commercial | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 148 | 364
Equipment lease financing | Total commercial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 6,192 | 6,130
Equipment lease financing | Total commercial | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 12 | 27
Equipment lease financing | Total commercial | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 6,173 | 6,095
Equipment lease financing | Total commercial | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 6 | 25
Equipment lease financing | Total commercial | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 6 | 2
Equipment lease financing | Total commercial | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 7 | 8
Residential real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 45,057 | 39,712
Residential real estate | Government insured or guaranteed loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 652 | 811
Residential real estate | Total consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 45,057 | 39,712
Residential real estate | Total consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 589 | 826
Residential real estate | Total consumer | Financial Asset, Past Due | Government insured or guaranteed loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 300 | 400
Residential real estate | Total consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 43,467 | 37,706
Residential real estate | Total consumer | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 298 | 379
Residential real estate | Total consumer | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 95 | 119
Residential real estate | Total consumer | 90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 196 | 328
Residential real estate | Total consumer | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 429 | 517
Residential real estate | Total consumer | Fair Value Option Nonaccrual Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Nonaccrual loans |  | 572 | 663
Home equity |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 25,367 | 24,061
Home equity | Total consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 25,367 | 24,061
Home equity | Total consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 62 | 71
Home equity | Total consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 24,693 | 23,305
Home equity | Total consumer | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 46 | 53
Home equity | Total consumer | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 16 | 18
Home equity | Total consumer | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 530 | 596
Home equity | Total consumer | Fair Value Option Nonaccrual Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Nonaccrual loans |  | 82 | 89
Automobile | Total consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 15,025 | 16,635
Automobile | Total consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 123 | 200
Automobile | Total consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 14,735 | 16,252
Automobile | Total consumer | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 96 | 146
Automobile | Total consumer | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 21 | 40
Automobile | Total consumer | 90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 6 | 14
Automobile | Total consumer | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 167 | 183
Credit card | Total consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 6,774 | 6,626
Credit card | Total consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 132 | 144
Credit card | Total consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 6,636 | 6,475
Credit card | Total consumer | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 44 | 49
Credit card | Total consumer | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 30 | 33
Credit card | Total consumer | 90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 58 | 62
Credit card | Total consumer | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 6 | 7
Education |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 2,287 | 2,533
Education | Total consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 2,287 | 2,533
Education | Total consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 125 | 133
Education | Total consumer | Financial Asset, Past Due | Government insured or guaranteed loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 100 | 100
Education | Total consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 2,162 | 2,400
Education | Total consumer | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 36 | 43
Education | Total consumer | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 26 | 25
Education | Total consumer | 90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 63 | 65
Other consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 5,293 | 5,727
Other consumer | Total consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 5,293 | 5,727
Other consumer | Total consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 48 | 74
Other consumer | Total consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 5,212 | 5,644
Other consumer | Total consumer | 30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 21 | 35
Other consumer | Total consumer | 60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 15 | 22
Other consumer | Total consumer | 90 Days Or More Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | 12 | 17
Other consumer | Total consumer | Nonperforming Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total loans |  | $ 33 | $ 9
[1] | Our consolidated assets included the following for which we have elected the fair value option: Loans held for sale of $1.1 billion, Loans held for investment of $1.3 billion and Other assets of $0.1 billion at September 30, 2022. Comparable amounts at December 31, 2021 were $1.9 billion, $1.5 billion and $0.1 billion, respectively.

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