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Loans And The Allowance For Credit Losses (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable no allowance | $ 150 |  | $ 119
Loans, net of unearned income | 95,733 |  | 96,727
Defaulted during period as modification to troubled borrower, twelve months prior to modification | 24 | $ 79 |
Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income | 54,044 |  | 54,845
Commercial | Extended Maturity |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated |  |  | 71
Investor Real Estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income | 8,833 |  | 8,710
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income | 32,856 |  | 33,172
Collateral Dependent Member | Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income | 291 |  | 264
Collateral Dependent Member | Investor Real Estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income | 293 |  | 323
Collateral Dependent Member | Consumer | residential real estate and home equity loan and lines |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of unearned income | $ 119 |  | $ 115

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