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Loans and Leases - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accrued interest | $ 226 | $ 134
Net loans and leases | 57,417 | 54,189
Loans and leases | $ 58,102 | 54,859
Commercial | Minimum | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Commercial loan grades | 1 |
Commercial | Maximum | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Commercial loan grades | 16 |
Commercial | C&I |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | $ 31,781 | 31,068
Commercial | C&I | Loans to mortgage companies |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | $ 2,258 | 4,518
Percentage contributed | 20.00% |
Commercial | C&I | Finance And Insurance Companies |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | $ 4,100 |
Commercial | Loans to mortgage companies |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 2,258 | 4,518
Asset Pledged as Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Net loans and leases | $ 38,300 | $ 36,600

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