REGIONS FINANCIAL CORP

0001000 - Document - DOCUMENT AND ENTITY INFORMATION

1001000 - Statement - CONSOLIDATED BALANCE SHEETS

1001501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)

1002000 - Statement - CONSOLIDATED STATEMENTS OF INCOME

1003000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

1003501 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)

1004000 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS

2101100 - Disclosure - Summary of Significant Accounting Policies

2102100 - Disclosure - Variable Interest Entities

2103100 - Disclosure - Discontinued Operations

2104100 - Disclosure - Debt Securities

2105100 - Disclosure - Loans

2106100 - Disclosure - Allowance for Credit Losses

2107100 - Disclosure - Servicing of Financial Assets

2108100 - Disclosure - Other Earning Assets

2109100 - Disclosure - Premises and Equipment

2110100 - Disclosure - Intangible Assets

2111100 - Disclosure - Deposits

2113100 - Disclosure - Borrowings

2114100 - Disclosure - Regulatory Capital Requirements and Restrictions

2115100 - Disclosure - Leases (Notes)

2116100 - Disclosure - Stockholders' Equity and Accumulated Other Comprehensive Income (Loss)

2117100 - Disclosure - Earnings (Loss) per Common Share

2118100 - Disclosure - Share-Based Payments

2119100 - Disclosure - Employee Benefit Plans

2120100 - Disclosure - Other Non-Interest Income and Expense

2121100 - Disclosure - Income Taxes

2122100 - Disclosure - Derivative Financial Instruments and Hedging Activities

2123100 - Disclosure - Fair Value Measurements

2124100 - Disclosure - Business Segment Information

2125100 - Disclosure - Commitments, Contingencies and Guarantees

2126100 - Disclosure - Revenue Recognition

2127100 - Disclosure - Parent Company Only Financial Statements

2201201 - Disclosure - Summary of Significant Accounting Policies (Policies)

2301302 - Disclosure - Summary of Significant Accounting Policies (Tables)

2302301 - Disclosure - Variable Interest Entities (Tables)

2303301 - Disclosure - Discontinued Operations (Tables)

2304301 - Disclosure - Debt Securities (Tables)

2305301 - Disclosure - Loans (Tables)

2306301 - Disclosure - Allowance for Credit Losses (Tables)

2307301 - Disclosure - Servicing of Financial Assets (Tables)

2308301 - Disclosure - Other Earning Assets (Tables)

2309301 - Disclosure - Premises and Equipment (Tables)

2310301 - Disclosure - Intangible Assets (Tables)

2311301 - Disclosure - Deposits (Tables)

2313301 - Disclosure - Long-Term Borrowings (Tables)

2314301 - Disclosure - Regulatory Capital Requirements and Regulations (Tables)

2315301 - Disclosure - Leases (Tables)

2316301 - Disclosure - Stockholders' Equity and Accumulated Other Comprehensive Income (Loss) (Tables)

2317301 - Disclosure - Earnings (Loss) per Common Share (Tables)

2318301 - Disclosure - Share-Based Payments (Tables)

2319301 - Disclosure - Employee Benefit Plans (Tables)

2320301 - Disclosure - Other Non-Interest Income and Expense (Tables)

2321301 - Disclosure - Income Taxes (Tables)

2322301 - Disclosure - Derivative Financial Instruments and Hedging Activities (Tables)

2323301 - Disclosure - Fair Value Measurements (Tables)

2324301 - Disclosure - Business Segment Information (Tables)

2325301 - Disclosure - Commitments, Contingencies and Guarantees (Tables)

2326301 - Disclosure - Revenue Recognition (Tables)

2327301 - Disclosure - Parent Company Only Financial Statements (Tables)

2401403 - Disclosure - Summary of Significant Accounting Policies (Supplemental Cash Flows) (Details)

2401404 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details)

2402402 - Disclosure - Variable Interest Entities Affordable Housing Tax Credit Investments (Details)

2402403 - Disclosure - Variable Interest Entities Affordable Housing Tax Credits (Details)

2402404 - Disclosure - Variable Interest Entities (Schedule of Equity Method Investments) (Details)

2403402 - Disclosure - Discontinued Operations (Details)

2404402 - Disclosure - Debt Securities (Schedule Of Amortized Cost, Gross Unrealized Gains And Losses, And Estimated Fair Value Of Securities Available For Sale And Securities Held To Maturity) (Details)

2404403 - Disclosure - Debt Securities (Schedule Of Cost And Estimated Fair Value Of Securities Available For Sale And Securities Held To Maturity By Contractual Maturity) (Details)

2404404 - Disclosure - Debt Securities (Schedule Of Gross Unrealized Losses And Estimated Fair Value Of Securities Available For Sale) (Details)

2404405 - Disclosure - Debt Securities (Schedule Of Gross Gains And Gross Losses On Available For Sale Securities) (Details)

2404406 - Disclosure - Debt Securities (Narrative) (Details)

2405402 - Disclosure - Loans (Schedule Of Loan Portfolio, Net Of Unearned Income) (Details)

2405404 - Disclosure - Loans (Narrative) (Details)

2406402 - Disclosure - Allowance For Credit Losses (Analysis Of The Allowance For Credit Losses By Portfolio Segment) (Details)

2406403 - Disclosure - Allowance For Credit Losses (Credit Quality Indicators) (Details)

2406404 - Disclosure - Allowance For Credit Losses (Schedule Of Aging Analysis Of Days Past Due (DPD) For Each Portfolio Class) (Details)

2406405 - Disclosure - Allowance For Credit Losses (Impaired Financing Receivables) (Details)

2406406 - Disclosure - Allowance For Credit Losses (Loans By Class Modified In TDR) (Details)

2406408 - Disclosure - Allowance For Credit Losses (Narrative) (Details)

2407402 - Disclosure - Servicing of Financial Assets (Analysis Of Residential MSRs Under The Fair Value Measurement Method) (Details)

2407403 - Disclosure - Servicing of Financial Assets (Data And Assumptions Used In The Fair Value Calculation As Well As The Valuation's Sensitivity To Rate Fluctuations Related To Mortgage Servicing Rights) (Details)

2407404 - Disclosure - Servicing of Financial Assets (Schedule of Fees Resulting From The Servicing Of Residential Mortgage Loans) (Details)

2407405 - Disclosure - Servicing of Financial Assets (Narrative) (Details)

2408402 - Disclosure - Other Earning Assets (Schedule Of Investments in Federal Reserve Bank Stock And Federal Home Loan Bank Stock) (Details)

2408405 - Disclosure - Other Earning Assets (Narrative) (Details)

2409402 - Disclosure - Premises and Equipment (Schedule of Premises and Equipment) (Details)

2410402 - Disclosure - Intangible Assets (Schedule Of Goodwill By Segment) (Details)

2410403 - Disclosure - Intangible Assets (Schedule of Other Intangible Assets) (Details)

2410404 - Disclosure - Intangible Assets (Aggregate Amount of Amortization Expense) (Details)

2410405 - Disclosure - Intangible Assets (Narrative) (Details)

2411402 - Disclosure - Deposits (Schedule of Interest-Bearing Deposits) (Details)

2411403 - Disclosure - Deposits (Schedule of Aggregate Amount of Maturities of All Time Deposits) (Details)

2411404 - Disclosure - Deposits (Narrative) (Details)

2413402 - Disclosure - Borrowings (Schedule of Long-Term Borrowings) (Details)

2413403 - Disclosure - Borrowings (Schedule of Maturities of Long-Term Borrowings) (Details)

2413404 - Disclosure - Borrowings (Narrative) (Details)

2414402 - Disclosure - Regulatory Capital Requirements and Restrictions (Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations) (Details)

2415402 - Disclosure - Leases (Narrative) (Details)

2415403 - Disclosure - Leases (Lessee: Information related to Operating Leases) (Details)

2415404 - Disclosure - Leases (Lessee: Schedule of Future, Undiscounted Minimum Lease Payments on Operating Leases) (Details)

2415405 - Disclosure - Leases (Lessor: Summary of Sales-Type, Direct Financing, Operating and Leveraged Leases) (Details)

2415406 - Disclosure - Leases (Lessor: Schedule of Minimum Future Payments Due From Customers for Sales-Type, Direct Financing, and Operating Leases) (Details)

2416402 - Disclosure - Stockholders' Equity and Accumulated Other Comprehensive Income (Loss) (Preferred Stock Issuances) (Details)

2416403 - Disclosure - Stockholders' Equity and Accumulated Other Comprehensive Income (Loss) (Schedule Of Accumulated Other Comprehensive Income) (Details)

2416404 - Disclosure - Stockholders' Equity and Accumulated Other Comprehensive Income (Loss) (Reclassification From Accumulated Other Comprehensive Income) (Details)

2416405 - Disclosure - Stockholders' Equity And Accumulated Other Comprehensive Income (Loss) (Narrative) (Details)

2417402 - Disclosure - Earnings (Loss) Per Common Share (Computation Of Basic And Diluted Earnings (Loss) Per Common Share) (Details)

2418402 - Disclosure - Share-Based Payments (Summary Of Compensation Costs Recognized In The Consolidated Statements of Operations) (Details)

2418403 - Disclosure - Share-Based Payments (Summary Of Activity Related To Stock Options) (Details)

2418404 - Disclosure - Share-Based Payments (Summary Of Restricted Stock Awards And Performance Stock Awards Activity) (Details)

2418405 - Disclosure - Share-Based Payments (Narrative) (Details)

2419402 - Disclosure - Employee Benefit Plans (Schedule of Defined Benefit Plans Disclosures) (Details)

2419403 - Disclosure - Employee Benefit Plans (Components Of Net Periodic Pension Costs) (Details)

2419404 - Disclosure - Employee Benefit Plans (Schedule of Assumptions Used) (Details)

2419405 - Disclosure - Employee Benefit Plans (Presentation Of The Fair Value Of Regions' Qualified Defined-Benefit Pension Plans' Financial Assets) (Details)

2419406 - Disclosure - Employee Benefit Plans (Information About The Expected Cash Flows For The Qualified and Non-Qualified Pension Plans) (Details)

2419407 - Disclosure - Employee Benefit Plans (Narrative) (Details)

2420402 - Disclosure - Other Non-Interest Income and Expense (Other Non-Interest Income) (Details)

2420403 - Disclosure - Other Non-Interest Income and Expense (Other Non-Interest Expense) (Details)

2421402 - Disclosure - Income Taxes (Components Of Income Tax (Benefit) Expense) (Details)

2421403 - Disclosure - Income Taxes (Income Tax Rate Reconciliation) (Details)

2421404 - Disclosure - Income Taxes (Summary Of Significant Components Of Deferred Tax Assets And Liabilities) (Details)

2421405 - Disclosure - Income Taxes (Summary Of Detail Of Tax Carryforwards) (Details)

2421406 - Disclosure - Income Taxes (Reconciliation Of Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details)

2421407 - Disclosure - Income Taxes (Narrative) (Details)

2422402 - Disclosure - Derivative Financial Instruments And Hedging Activities (Schedule Of Derivative Instruments Notional And Fair Values) (Details)

2422403 - Disclosure - Derivative Financial Instruments And Hedging Activities (Schedule Of The Effect Of Derivative Instruments On The Statements Of Operations) (Details)

2422404 - Disclosure - Derivative Financial Instruments and Hedging Activities Derivative Financial Instruments and Hedging Activities (Schedule of Fair Value Hedging Basis Adjustments) (Details)

2422405 - Disclosure - Derivative Financial Instruments And Hedging Activities (Schedule Of Gains (Losses) Recognized Related To Derivatives Not Designated As Hedging Instruments) (Details)

2422406 - Disclosure - Derivative Financial Instruments And Hedging Activities (Narrative) (Details)

2423402 - Disclosure - Fair Value Measurements (Schedule Of Assets And Liabilities At Fair Value Measured On A Recurring Basis And Non-Recurring Basis) (Details)

2423403 - Disclosure - Fair Value Measurements (Rollforward For Assets And Liabilities Measured At Fair Value On A Recurring Basis With Level 3 Significant Unobservable Inputs) (Details)

2423404 - Disclosure - Fair Value Measurements (Schedule Of Fair Value Adjustments Related To Non-Recurring Fair Value Measurements) (Details)

2423405 - Disclosure - Fair Value Measurements (Summary Of Quantitative Information About Level 3 Fair Value Measurements) (Details)

2423406 - Disclosure - Fair Value Measurements (Fair Value Option, Fair Value and Unpaid Principal Balance) (Details)

2423407 - Disclosure - Fair Value Measurements (Schedule Of Carrying Amounts And Estimated Fair Values Of Financial Instruments) (Details)

2424402 - Disclosure - Business Segment Information (Schedule Of Financial Information By Reportable Segment) (Details)

2425402 - Disclosure - Commitments, Contingencies and Guarantees (Credit Risk Of Financial Instruments By Contractual Amounts) (Details)

2425403 - Disclosure - Commitments, Contingencies and Guarantees (Narrative) (Details)

2426402 - Disclosure - Revenue Recognition (Details)

2427402 - Disclosure - Condensed Financial Information Parent Company Balance Sheets (Details)

2427403 - Disclosure - Condensed Financial Information Parent Company Statement of Operations (Details)

2427404 - Disclosure - Condensed Financial Information Parent Company Statements of Cash Flow (Details)