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Loans and Leases - Schedule Of Loans By Portfolio Segment (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | $ 58,102 | $ 54,859 |  |
Allowance for loan and lease losses | (685) | (670) | $ (963) | $ (200)
Net loans and leases | 57,417 | 54,189 |  |
Equipment |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Property, plant, and equipment and finance leases | 1,100 | 792 |  |
Commercial | Commercial and Industrial, Excluding Loans to Mortgage Companies |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | 29,523 | 26,550 |  |
Commercial | Loans to mortgage companies |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | 2,258 | 4,518 |  |
Commercial | Commercial and industrial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | 31,781 | 31,068 |  |
Allowance for loan and lease losses | (308) | (334) | (453) | (123)
Commercial | Commercial and industrial | Paycheck Protection Plan |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | 76 | 1,000 |  |
Commercial | Commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | 13,228 | 12,109 |  |
Allowance for loan and lease losses | (146) | (154) | (242) | (36)
Consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | 12,253 | 10,772 |  |
Consumer | HELOC |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | 2,028 | 1,964 |  |
Consumer | Real estate installment loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | 10,225 | 8,808 |  |
Consumer | Credit card and other |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and leases | 840 | 910 |  |
Allowance for loan and lease losses | $ (31) | $ (19) | $ (26) | $ (13)

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