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Loans (Schedule Of Loan Portfolio, Net Of Unearned Income) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income | [1] | $ 97,009 | $ 87,784
Loans and Leases Receivable, Deferred Income |  | 894 | 630
Commercial And Industrial [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 50,905 | 43,758
Commercial Real Estate Mortgage - Owner-Occupied [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 5,103 | 5,287
Commercial Real Estate Construction - Owner-Occupied [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 298 | 264
Commercial Investor Real Estate Mortgage [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 6,393 | 5,441
Commercial Investor Real Estate Construction [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 1,986 | 1,586
Residential First Mortgage [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 18,810 | 17,512
Home Equity Lines of Credit[Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 3,510 | 3,744
Home Equity Loan [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 2,489 | 2,510
Consumer Credit Card Financing Receivable [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 1,248 | 1,184
OtherConsumerExitPortfolioMember [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 570 | 1,071
Other Consumer [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 5,697 | 5,427
Commercial Portfolio Segment [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 56,306 | 49,309
Total Investor Real Estate [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | 8,379 | 7,027
Consumer Portfolio Segment [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income |  | $ 32,324 | $ 31,448
[1] | Loans are presented net of unearned income, unamortized discounts and premiums and deferred loan fees and costs of $894 million and $630 million at December 31, 2022 and 2021,

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