Accrual [Member] Accrual [Member] Accrual [Member] Accrued Investment Income Receivable Interest receivable Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax Unrealized gains on securities available for sale, End of Period Unrealized gains on securities available for sale, Beginning of Period Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax Unrealized gains on derivative instruments designated as, End of Period Unrealized gains on derivative instruments designated as, Beginning of Period Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax Defined benefit pension plans and other post employment benefits, End of Period Defined benefit pension plans and other post employment benefits, Beginning of Period Accumulated Other Comprehensive Income Loss Net Of Tax Other comprehensive income, net of tax, End of Period Other comprehensive income, net of tax, Beginning of Period Accumulated other comprehensive income (loss), net Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Activity For Sales Of Similar Loans [Member] Activity For Sales Of Similar Loans [Member] Activity For Sales Of Similar Loans [Member] Additional Collateral Aggregate Fair Value Additional collateral related to derivative instruments with credit risk Additional Paid In Capital Additional paid-in capital Additional Paid In Capital [Member] Additional Paid-In Capital Adjustment For Realized Gain (Loss) Fair Value Adjustment For Realized Gain Loss Fair Value Pre-tax adjustment to increase the gain Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net cash provided by operating activities: All Other Securities [Member] All Other Securities [Member] All Other Securities [Member] All Other Segments [Member] Other [Member] Allowance For Credit Losses On Financing Receivables Table [Text Block] Analysis Of The Allowance For Credit Losses By Portfolio Segment Allowance For Loan And Lease Losses Loans Acquired Allowance allocated to purchased loans Allowance For Loan And Lease Losses Period Increase Decrease Reduction in allowance for loan losses Allowance For Loan And Lease Losses Recoveries Of Bad Debts Recoveries Allowance For Loan And Lease Losses Write Offs Net Of Recoveries Allowance For Loan And Lease Losses Write Offs Net Of Recoveries Net loan losses Amendment Flag Amendment Flag Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Antidilutive securities excluded from computation of earnings per share Appraisal Compatibility Adjustment Discount [Member] Appraisal Compatibility Adjustment Discount [Member] Appraisal Compatibility Adjustment Discount [Member] Assets Total assets Assets [Abstract] Assets Assets And Liabilities Measured At Fair Value On Recurring Basis [Table] Assets And Liabilities Measured At Fair Value On Recurring Basis [Table] Assets And Liabilities Measured At Fair Value On Recurring Basis [Table] Assets associated with standby letters of credit Assets Associated With Standby Letters Of Credit Assets associated with standby letters of credit Assets Disposed Of By Method Other Than Sale In Period Of Disposition Gain Loss On Disposition 1 Disposition of Morgan Keegan Assumption For Fair Value Of Assets Or Liabilities That Relate To Transferors Continuing Involvement Weighted Average Life 1 Weighted-average remaining maturity (months) Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Prepayment Speed Weighted-average prepayment speed (CPR; percentage) Available For Sale Securities Securities available for sale Available For Sale Securities Amortized Cost Amortized Cost - Securities available for sale Availableforsale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 2 Twelve Months or More, Gross Unrealized Losses Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses 2 Total Gross Unrealized Losses Available For Sale Securities Continuous Unrealized Loss Position Fair Value Total Estimated Fair Value Availableforsale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 2 Less Than Twelve Months, Gross Unrealized Losses Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value Less Than Twelve Months, Estimated Fair Value Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value Twelve Months or More, Estimated Fair Value Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost Due after five years through ten years, Amortized Cost Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value Due after five years through ten years, Estimated Fair Value Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost Due after one year through five years, Amortized Cost Available For Sale Securities Debt Maturities After One Through Five Years Fair Value Due after one year through five years, Estimated Fair Value Available For Sale Securities Debt Maturities After Ten Years Amortized Cost Due after ten years, Amortized Cost Available For Sale Securities Debt Maturities After Ten Years Fair Value Due after ten years, Estimated Fair Value Available For Sale Securities Debt Maturities Within One Year Amortized Cost Due in one year or less, Amortized Cost Available For Sale Securities Debt Maturities Within One Year Fair Value Due in one year or less, Estimated Fair Value Available For Sale Securities Fair Value Disclosure Estimated Fair Value - Securities available for sale Securities available for sale Available For Sale Securities Gross Realized Gains Gross realized gains Available For Sale Securities Gross Realized Losses Gross realized losses Availableforsale Securities Gross Unrealized Gain Gross Unrealized Gains - Securities available for sale Available For Sale Securities Gross Unrealized Losses 1 Gross Unrealized Losses - Securities available for sale Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Securities in unrealized loss position number Availableforsale Securities [Member] Securities Available For Sale [Member] Available For Sale Securities Pledged As Collateral Securities pledged to secure public funds, trust deposits and borrowing arrangements Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Beta For Peer Set Beta For Peer Set Beta for peer set in years Bid Or Ask Adjustment To Discount Rate [Member] Bid Or Ask Adjustment To Discount Rate [Member] Bid Quotes - Spreads [Member] Branch consolidation and property and equipment charges. Branch Consolidation And Property And Equipment Charges Branch consolidation and property and equipment charges Branded Credit Cards Purchased Branded Credit Cards Purchased Branded credit card amounts purchased Branded Credit Cards Purchased Consumer Branded Credit Cards Purchased Consumer Branded credit card amounts purchased Brokerage income [Member] Brokerage Income [Member] Capital Markets And Investment Income [Member] Business Services [Member] Business Services [Member] Business Services [Member] CAPM Risk Free Rate Capm Risk Free Rate CAPM risk-free rate in years Carrying Reported Amount Fair Value Disclosure [Member] Carrying Amount [Member] Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of year Cash And Cash Equivalents Fair Value Disclosure Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease (Decrease) increase in cash and cash equivalents Cash And Due From Banks Cash and due from banks Cash Collateral Posted Excluded From Derivative Instruments Cash Collateral Posted Excluded From Derivative Instruments Cash collateral posted, excluded from derivative instruments Cash Collateral Received Excluded From Derivative Instruments Cash Collateral Received Excluded From Derivative Instruments Cash collateral received, excluded from derivative instruments Cash Flow Hedge Derivative Instrument Assets At Fair Value Asset derivatives in cash flow hedging relationships Cash Flow Hedge Derivative Instrument Liabilities At Fair Value Liability derivatives in cash flow hedging relationships Cash Flow Hedge Gain Loss Reclassified Into OCI After Tax Cash Flow Hedge Gain Loss Reclassified Into Oci After Tax After-tax (loss) gain benefit in other comprehensive income related to terminated cash flow hedges of loan and debt instruments which amortize into earnings with the recognition of interest payments Cash Flow Hedge Pre-Tax Income Cash Flow Hedge Pre Tax Income Pre-tax income related to amortization of cash flow hedges of loan and debt instruments Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge Amount of Gain(Loss) Recognized in Income on Related Hedged Item Class Of Stock [Domain] Class of Stock [Domain] Class Of Warrant Or Right Exercise Price Of Warrants Or Rights Exercise price per common share related to the U.S. Treasury warrant Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Common shares issuable related to the U.S. Treasury warrant Collateral Already Posted Aggregate Fair Value Posted collateral related to derivative instruments with credit risk Commercial Agency [Member] Commercial Agency [Member] Commercial Agency [Member] Commercial And Industrial Loan [Member] Commercial And Industrial Loan [Member] Commercial And Industrial Loan [Member] Commercial and industrial loans Commercial And Industrial Loans Commercial and industrial Commercial and industrial [Member] Commercial And Industrial [Member] Commercial And Industrial [Member] Commercial and investor real estate loans modified in a TDR during the period and on non-accrual status. Commercial And Investor Real Estate Loans Modified In Tdr During Period And On Non Accrual Status Commercial and investor real estate loans modified in a TDR during the period and on non-accrual status Commercial construction real estate owner occupied loans Commercial Construction Real Estate Owner Occupied Loans Commercial real estate construction - owner-occupied Commercial Investor Real Estate Construction Loans Commercial Investor Real Estate Construction Loans Commercial investor real estate construction Commercial Investor Real Estate Mortgage Loans Commercial Investor Real Estate Mortgage Loans Commercial investor real estate mortgage Commercial letters of credit commitment. Commercial Letters Of Credit Commitment Commercial letters of credit Commercial Non-agency [Member] Commercial Non Agency [Member] Commercial Non-Agency [Member] Commercial real estate construction - owner occupied [Member] Commercial Real Estate Construction Owner Occupied [Member] Commercial Real Estate Construction - Owner Occupied [Member] Commercial real estate loans owner occupied loans. Commercial Real Estate Loans Owner Occupied Loans Commercial real estate mortgage - owner-occupied Commercial real estate mortgage - owner occupied [Member] Commercial Real Estate Mortgage Owner Occupied [Member] Commercial Real Estate Mortgage - Owner-Occupied [Member] Commercial Segment Allowance For Loan Losses [Member] Commercial Segment Allowance For Loan Losses [Member] Commercial [Member] Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Commitments [Member] Forward Commitments [Member] Common Share Equivalents Subject To And Available For Distribution To Recipients Common Share Equivalents Subject To And Available For Distribution To Recipients Common share equivalents subject to and available for distribution to recipients Common Stock Dividends Per Share Declared Cash dividends declared per common share Cash dividends declared, per share Common Stock [Member] Common Stock [Member] Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, authorized Common Stock Shares Issued Common stock, issued Net change in the paid-in capital in excess of par/stated value related to common stocks issued during an accounting period Common Stock Transactions [Abstract] Common stock transactions: Common Stock Value Common stock, par value $.01 per share: Authorized 3 billion shares Issued including treasury stock - 1,454,291,608 and 1,301,230,838 shares, respectively Company Earnings Per Share [Line Items] Company Earnings Per Share [Line Items] Company Earnings Per Share [Line Items] Company Earnings Per Share [Table] Company Earnings Per Share [Table] Company Earnings Per Share [Table] Comparability Adjustments [Member] Comparability Adjustments [Member] Comparability Adjustments [Member] Comparable Evaluated Quote [Member] Comparable Evaluated Quote [Member] Comparable Evaluated Quote [Member] Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Comprehensive income Consensus Pricing [Member] Consensus Pricing [Member] Consensus Pricing [Member] Consumer Credit Card [Member] Consumer Credit Card [Member] Consumer Credit Card [Member] Consumer Products And Services [Member] Consumer Products And Services [Member] Consumer Services [Member] Consumer Segment Allowance For Loan Losses [Member] Consumer Segment Allowance For Loan Losses [Member] Consumer [Member] Credit Card [Member] Credit Card [Member] Credit Card [Member] Credit Card Receivables Consumer credit card Credit protection maturity period. Credit Protection Maturity Period Credit protection have maturities Credit Risk [Table Text Block] Credit Risk Table [Text Block] Credit Risk Of Financial Instruments By Contractual Amounts Current Fiscal Year End Date Current Fiscal Year End Date Debt And Capital Lease Obligations Total borrowed funds Debt And Certificates of Deposit [Member] Debt And Certificates Of Deposit [Member] Debt/CDs [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument Carrying Amount Aggregate principal amount of JSN's and Trust preferred securities Debt Instrument Interest Rate Stated Percentage Debt, interest rate stated percentage Debt Instrument Maturity Year Debt Instrument Maturity Year Junior subordinated notes, maturity date Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Deferred Income Tax Expense Benefit Deferred income tax expense (benefit) Deferred Tax Assets Liabilities Net Net deferred tax asset Defined Benefit Plan Amortization Of Gains Losses Amortization of actuarial loss Defined Benefit Plan Amortization Of Prior Service Cost Credit Amortization of prior service cost Defined Benefit Plan Expected Return On Plan Assets Expected return on plan assets Defined Benefit Plan Interest Cost Interest cost Defined Benefit Plan Net Periodic Benefit Cost Net periodic pension cost Defined Benefit Plan Service Cost Service cost Defined Contribution Plan Employer Discretionary Contribution Amount Contribution pension plan Depositary Shares [Member] Depositary Shares [Member] Depositary Shares [Member] Deposits Total deposits Deposits [Abstract] Deposits: Deposits Fair Value Disclosure Deposits Depreciation Amortization And Accretion Net Depreciation, amortization and accretion Derivative Assets Derivative assets Derivative Assets Liabilities At Fair Value Net Derivatives, net Derivative By Nature [Axis] Derivative, by Nature [Axis] Derivative Fair Value Of Derivative Asset Fair value of derivative assets Derivative Fair Value Of Derivative Liability Fair value of derivative liabilities Derivative Fair Value Of Derivative Net Amount in Other Assets/Other Liabilities Derivative Instruments And Hedging Activities Disclosure [Text Block] Derivative Financial Instruments and Hedging Activities Derivative Instruments And Hedging Activities [Line Items] Derivative Instruments And Hedging Activities [Line Items] Derivative Instruments And Hedging Activities [Line Items] Derivative Instruments And Hedging Activities [Table] Derivative Instruments And Hedging Activities [Table] Derivative Instruments And Hedging Activities [Table] Derivative Instruments Gain Loss Reclassified From Accumulated O C I Into Income Effective Portion Net Amount of Gain(Loss) Reclassified from Accumulated OCI into Income (Effective Portion) Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net Amount of Gain(Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing) Derivative Instruments Gain Loss Recognized In Income Net Amount of Gain (Loss)Recognized in Income on Derivatives Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net Amount of Gain(Loss) Recognized in Accumulated OCI on Derivatives (Effective Portion) Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net Amount of gain (loss) recognized in income on derivatives Derivative Liabilities Derivative liabilities Interest rate options Derivative Name [Domain] Derivative, Name [Domain] Derivative Net Liability Position Aggregate Fair Value Aggregate fair value of all derivative instruments with credit risk Derivative Notional Amount Total derivatives Designated As Hedging Instrument [Member] Designated as Hedging Instrument [Member] Disclosure - Business Segment Information (Schedule Of Financial Information By Reportable Segment) [Abstract] Disclosure Business Segment Information Schedule Of Financial Information By Reportable Segment [Abstract] Disclosure - Business Segment Information (Schedule Of Financial Information By Reportable Segment) [Abstract] Disclosure - Commitments And Contingencies (Credit Risk Of Financial Instruments By Contractual Amounts) [Abstract] Disclosure Commitments And Contingencies Credit Risk Of Financial Instruments By Contractual Amounts [Abstract] Disclosure - Commitments And Contingencies (Credit Risk Of Financial Instruments By Contractual Amounts) [Abstract] Disclosure Commitments And Contingencies Narrative [Abstract] Disclosure Commitments And Contingencies Narrative [Abstract] Disclosure Commitments And Contingencies Narrative [Abstract] Disclosure - Derivative Financial Instruments And Hedging Activities - Narrative [Abstract] Disclosure Derivative Financial Instruments And Hedging Activities Narrative [Abstract] Disclosure - Derivative Financial Instruments And Hedging Activities - Narrative [Abstract] Disclosure - Derivative Financial Instruments And Hedging Activities (Schedule Of Derivative Instruments Notional And Fair Values) [Abstract] Disclosure Derivative Financial Instruments And Hedging Activities Schedule Of Derivative Instruments Notional And Fair Values [Abstract] Disclosure - Derivative Financial Instruments And Hedging Activities (Schedule Of Derivative Instruments Notional And Fair Values) [Abstract] Disclosure - Derivative Financial Instruments And Hedging Activities (Schedule Of The Effect Of Derivative Instruments On The Statements Of Operations) [Abstract] Disclosure Derivative Financial Instruments And Hedging Activities Schedule Of Effect Of Derivative Instruments On Statements Of Operations [Abstract] Disclosure - Derivative Financial Instruments And Hedging Activities (Schedule Of The Effect Of Derivative Instruments On The Statements Of Operations) [Abstract] Disclosure - Derivative Financial Instruments And Hedging Activities (Schedule Of Gains (Losses) Recognized Related To Derivatives Not Designated As Hedging Instruments) [Abstract] Disclosure Derivative Financial Instruments And Hedging Activities Schedule Of Gains Losses Recognized Related To Derivatives Not Designated As Hedging Instruments [Abstract] Disclosure - Derivative Financial Instruments And Hedging Activities (Schedule Of Gains (Losses) Recognized Related To Derivatives Not Designated As Hedging Instruments) [Abstract] Disclosure - Discontinued Operations (Condensed Results Of Operations For Discontinued Operations) [Abstract] Disclosure Discontinued Operations Condensed Results Of Operations For Discontinued Operations [Abstract] Disclosure - Discontinued Operations (Condensed Results Of Operations For Discontinued Operations) [Abstract] Disclosure Discontinued Operations Narrative [Abstract] Disclosure Discontinued Operations Narrative [Abstract] Disclosure Discontinued Operations Narrative [Abstract] Disclosure - Earnings (Loss) Per Common Share - Computation Of Basic And Diluted Earnings (Loss) Per Common Share [Abstract] Disclosure Earnings Loss Per Common Share Computation Of Basic And Diluted Earnings Loss Per Common Share [Abstract] Disclosure - Earnings (Loss) Per Common Share - Computation Of Basic And Diluted Earnings (Loss) Per Common Share [Abstract] Disclosure - Earnings (Loss) Per Common Share (Narrative) [Abstract] Disclosure Earnings Loss Per Common Share Narrative [Abstract] Disclosure - Earnings (Loss) Per Common Share (Narrative) [Abstract] Disclosure - Fair Value Measurements (Rollforward For Assets And Liabilities Measured At Fair Value On A Recurring Basis With Level 3 Significant Unobservable Inputs) [Abstract] Disclosure Fair Value Measurements Rollforward For Assets And Liabilities Measured At Fair Value On Recurring Basis With Level 3 Significant Unobservable Inputs [Abstract] Disclosure - Fair Value Measurements (Rollforward For Assets And Liabilities Measured At Fair Value On A Recurring Basis With Level 3 Significant Unobservable Inputs) [Abstract] Disclosure - Fair Value Measurements (Schedule Of Assets And Liabilities At Fair Value Measured On A Recurring Basis And Non-Recurring Basis) [Abstract] Disclosure Fair Value Measurements Schedule Of Assets And Liabilities At Fair Value Measured On Recurring Basis And Non Recurring Basis [Abstract] Disclosure - Fair Value Measurements (Schedule Of Assets And Liabilities At Fair Value Measured On A Recurring Basis And Non-Recurring Basis) [Abstract] Disclosure - Fair Value Measurements (Schedule Of Carrying Amounts And Estimated Fair Values Of Financial Instruments) [Abstract] Disclosure Fair Value Measurements Schedule Of Carrying Amounts And Estimated Fair Values Of Financial Instruments [Abstract] Disclosure - Fair Value Measurements (Schedule Of Carrying Amounts And Estimated Fair Values Of Financial Instruments) [Abstract] Disclosure - Fair Value Measurements (Schedule Of Fair Value Adjustments Related To Non-Recurring Fair Value Measurements) [Abstract] Disclosure Fair Value Measurements Schedule Of Fair Value Adjustments Related To Non Recurring Fair Value Measurements [Abstract] Disclosure - Fair Value Measurements (Schedule Of Fair Value Adjustments Related To Non-Recurring Fair Value Measurements) [Abstract] Disclosure - Fair Value Measurements (Summary Of Difference Between Aggregate Fair Value And Aggregate Unpaid Principal Balance For Mortgage Loans Held For Sale Measured At Fair Value) [Abstract] Disclosure Fair Value Measurements Summary Of Difference Between Aggregate Fair Value And Aggregate Unpaid Principal Balance For Mortgage Loans Held For Sale Measured At Fair Value [Abstract] Disclosure - Fair Value Measurements (Summary Of Difference Between Aggregate Fair Value And Aggregate Unpaid Principal Balance For Mortgage Loans Held For Sale Measured At Fair Value) [Abstract] Disclosure - Fair Value Measurements (Summary Of Net Gains (Losses) From Changes In Fair Value) [Abstract] Disclosure Fair Value Measurements Summary Of Net Gains Losses From Changes In Fair Value [Abstract] Disclosure - Fair Value Measurements (Summary Of Net Gains (Losses) From Changes In Fair Value) [Abstract] Disclosure - Fair Value Measurements (Summary Of Quantitative Information About Level 3 Fair Value Measurements) [Abstract] Disclosure Fair Value Measurements Summary Of Quantitative Information About Level 3 Fair Value Measurements [Abstract] Disclosure - Fair Value Measurements (Summary Of Quantitative Information About Level 3 Fair Value Measurements) [Abstract] Disclosure Goodwill Narrative [Abstract] Disclosure Goodwill Narrative [Abstract] Disclosure Goodwill Narrative [Abstract] Disclosure - Goodwill (Schedule Of Assumptions Used In Estimating Fair Value) [Abstract] Disclosure Goodwill Schedule Of Assumptions Used In Estimating Fair Value [Abstract] Disclosure - Goodwill (Schedule Of Assumptions Used In Estimating Fair Value) [Abstract] Disclosure - Goodwill (Schedule Of Goodwill By Segment) [Abstract] Disclosure Goodwill Schedule Of Goodwill By Segment [Abstract] Disclosure - Goodwill (Schedule Of Goodwill By Segment) [Abstract] Disclosure Income Taxes Narrative [Abstract] Disclosure Income Taxes Narrative [Abstract] Disclosure Income Taxes Narrative [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Analysis Of The Allowance For Credit Losses By Portfolio Segment) [Abstract] Disclosure Loans And Allowance For Credit Losses Analysis Of Allowance For Credit Losses By Portfolio Segment [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Analysis Of The Allowance For Credit Losses By Portfolio Segment) [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Credit Quality Indicators Excluding Loans Held For Sale) [Abstract] Disclosure Loans And Allowance For Credit Losses Credit Quality Indicators Excluding Loans Held For Sale [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Credit Quality Indicators Excluding Loans Held For Sale) [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Interest Income On Loans Modified in Troubled Debt Restructuring) [Abstract] Disclosure Loans And Allowance For Credit Losses Interest Income On Loans Modified In Troubled Debt Restructuring [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Interest Income On Loans Modified in Troubled Debt Restructuring) [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Loans By Class Modified In TDR) [Abstract] Disclosure Loans And Allowance For Credit Losses Loans By Class Modified In T D R [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Loans By Class Modified In TDR) [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Loans Modified In Past Twelve Months Which Subsequently Defaulted) [Abstract] Disclosure Loans And Allowance For Credit Losses Loans Modified In Past Twelve Months Subsequently Defaulted [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Loans Modified In Past Twelve Months Which Subsequently Defaulted) [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Narrative) [Abstract] Disclosure Loans And Allowance For Credit Losses Narrative [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Narrative) [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Schedule Of Aging Analysis Of Days Past Due (DPD) For Each Portfolio Class) [Abstract] Disclosure Loans And Allowance For Credit Losses Schedule Of Aging Analysis Of Days Past Due D P D For Portfolio Class [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Schedule Of Aging Analysis Of Days Past Due (DPD) For Each Portfolio Class) [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Schedule Of Impaired Loans On Accrual Status) [Abstract] Disclosure Loans And Allowance For Credit Losses Schedule Of Impaired Loans On Accrual Status [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Schedule Of Impaired Loans On Accrual Status) [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Schedule Of Impaired Loans On Non-Accrual Status) [Abstract] Disclosure Loans And Allowance For Credit Losses Schedule Of Impaired Loans On Non Accrual Status [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Schedule Of Impaired Loans On Non-Accrual Status) [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Schedule Of Loan Portfolio, Net Of Unearned Income) [Abstract] Disclosure Loans And Allowance For Credit Losses Schedule Of Loan Portfolio Net Of Unearned Income [Abstract] Disclosure - Loans And The Allowance For Credit Losses (Schedule Of Loan Portfolio, Net Of Unearned Income) [Abstract] Disclosure - Loan Servicing (Analysis Of Mortgage Servicing Rights Under The Fair Value Measurement Method) [Abstract] Disclosure Loan Servicing Analysis Of Mortgage Servicing Rights Under Fair Value Measurement Method [Abstract] Disclosure - Loan Servicing (Analysis Of Mortgage Servicing Rights Under The Fair Value Measurement Method) [Abstract] Disclosure - Loan Servicing (Analysis Of Repurchase Liability Related To Mortgage Loans Sold With Representations And Warranty Provisions) [Abstract] Disclosure Loan Servicing Analysis Of Repurchase Liability Related To Mortgage Loans Sold With Representations And Warranty Provisions [Abstract] Disclosure - Loan Servicing (Analysis Of Repurchase Liability Related To Mortgage Loans Sold With Representations And Warranty Provisions) [Abstract] Disclosure - Loan Servicing (Data And Assumptions Used In The Fair Value Calculation As Well As The Valuation's Sensitivity To Rate Fluctuations Related To Mortgage Servicing Rights) [Abstract] Disclosure Loan Servicing Data And Assumptions Used In Fair Value Calculation As Well As Valuations Sensitivity To Rate Fluctuations Related To Mortgage Servicing Rights [Abstract] Disclosure - Loan Servicing (Data And Assumptions Used In The Fair Value Calculation As Well As The Valuation's Sensitivity To Rate Fluctuations Related To Mortgage Servicing Rights) [Abstract] Disclosure - Loan Servicing (Schedule Of Fees Resulting From The Servicing Of Mortgage Loans) [Abstract] Disclosure Loan Servicing Schedule Of Fees Resulting From Servicing Of Mortgage Loans [Abstract] Disclosure - Loan Servicing (Schedule Of Fees Resulting From The Servicing Of Mortgage Loans) [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Share-Based Payments Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [Text Block] Summary Of Activity Related To Stock Options Disclosure - Pension And Other Postretirement Benefits (Components Of Net Periodic Pension And Other Postretirement Benefits) [Abstract] Disclosure Pension And Other Postretirement Benefits Components Of Net Periodic Pension And Other Postretirement Benefits [Abstract] Disclosure - Pension And Other Postretirement Benefits (Components Of Net Periodic Pension And Other Postretirement Benefits) [Abstract]