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Loans (Schedule Of Loan Portfolio, Net Of Unearned Income) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | $ 96,727 | $ 98,379
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount) | 981 | 965
Commercial And Industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 49,671 | 50,865
Commercial Real Estate Mortgage - Owner-Occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 4,841 | 4,887
Commercial Real Estate Construction - Owner-Occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 333 | 281
Commercial Investor Real Estate Mortgage [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 6,567 | 6,605
Commercial Investor Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 2,143 | 2,245
Residential First Mortgage [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 20,094 | 20,207
Home Equity Lines of Credit[Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 3,150 | 3,221
Home Equity Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 2,390 | 2,439
Consumer Credit Card Financing Receivable [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 1,445 | 1,341
OtherConsumerExitPortfolioMember [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 4 | 43
Other Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 6,089 | 6,245
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 54,845 | 56,033
Investor Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | 8,710 | 8,850
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned income | $ 33,172 | $ 33,496

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