Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Fannie Mae Fannie Mae [Member] Fannie Mae Non-investment grade Internal Noninvestment Grade [Member] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Title of 12(b) Security Title of 12(b) Security All Other Corporate Reconciling Items And Eliminations [Member] Corporate Reconciling Items And Eliminations Net income allocated to common shareholders Net Income (Loss) Available to Common Stockholders, Diluted Subsequent Event Subsequent Event [Member] Carrying Value Reported Value Measurement [Member] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Amortized cost of AFS and HTM debt securities Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss Net derivative assets (liabilities) Derivative Assets (Liabilities), at Fair Value, Net Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Fair Value Measurements, Nonrecurring Fair Value Measurements, Nonrecurring [Table Text Block] Net charge-offs Net charge-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff (Recovery) Adjustment to Compensation, Amount Adjustment to Compensation Amount Gains (Losses) Gains (Losses) On Loans Held-For-Sale [Abstract] Gains (Losses) On Loans Held-For-Sale [Abstract] Pledged Status [Axis] Pledged Status [Axis] Implied yield Measurement Input, Implied Yield [Member] Measurement Input, Implied Yield Financial Instrument [Axis] Financial Instrument [Axis] Financial Instrument [Axis] Other assets Other assets, primarily MSRs and tax-related equity investments Other Assets, Fair Value Disclosure Financial liabilities Financial Liabilities Fair Value Disclosure [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Securities borrowed or purchased under agreements to resell Securities Purchased Under Agreements To Resell, Securities Borrowed [Abstract] Securities Purchased under Agreements to Resell, Securities Borrowed [Abstract] Common stock and additional paid-in capital, $0.01 par value; authorized – 12,800,000,000 shares; issued and outstanding – 7,017,967,460 and 7,212,464,345 shares Common Stocks, Including Additional Paid in Capital Loss contingency accrual Loss Contingency Accrual Maximum potential exposure Guarantor Obligations, Maximum Exposure, Undiscounted Available-for-sale debt securities Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Derivative Instrument [Axis] Derivative Instrument [Axis] Weighted-average life, fixed rate Measurement Input, Weighted-Average Life, Fixed Rate [Member] Measurement Input, Weighted-Average Life, Fixed Rate [Member] Net increase (decrease) in fair value Other Comprehensive Income (Loss) before Reclassifications, Tax Federal Reserve Bank And Federal Home Loan Bank Federal Reserve Bank And Federal Home Loan Bank [Member] Federal Reserve Bank And Federal Home Loan Bank Mortgage servicing rights Servicing Asset at Fair Value, Amount Measurement Frequency [Axis] Measurement Frequency [Axis] U.S. Treasury and government agencies U.S. government and agency securities US Treasury and Government [Member] Commercial reservable criticized utilized exposure, amount Commercial Reservable Criticized Utilized Exposure, Amount Commercial Reservable Criticized Utilized Exposure, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] Time deposits placed and other short-term investments Time Deposits And Other Short-Term Investments Time deposits in other financial institutions for relatively short periods of time and other short-term investments. Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Due after five years through ten years, amount Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis Debt Securities Carried at Fair Value, Debt Maturities, after Five Through Ten years, Amortized Cost Basis Available-for-sale securities, percent held by rating Available-For-Sale Debt Securities, Underlying Collateral Type By Credit Rating Percentage Available-for-sale Securities, Debt Maturities, Percent Held by Rating Issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Trading account assets Total trading account assets Loans reported as trading account assets Trading Account Assets1 [Member] Trading Account Assets1 Due after one year through five years, amount Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis Debt Securities Carried at Fair Value, Debt Maturities, after One Through Five years, Amortized Cost Basis Lease receivables Sales-type and Direct Financing Leases, Lease Receivable Leases [Abstract] Leases [Abstract] Interest Rate Reduction Contractual Interest Rate Reduction [Member] Consolidated Entities [Domain] Consolidated Entities [Domain] Securities received as collateral, amount re-pledged and sold Securities Received as Collateral, Amount Repledged and Sold Gross charge-offs, Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Corporate securities, trading loans and other Corporate Debt Securities, Trading Loans and Other [Member] Corporate Debt Securities, Trading Loans and Other [Member] Total Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Foreclosed properties Foreclosed Properties, Fair Value Disclosure This represents the balance of foreclosed properties measured at fair value on a nonrecurring basis categorized as Level 2 and 3 based on observability of inputs. Settlements Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Gross Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Correlation (FX/IR) Measurement Input, Correlation (FX/IR) [Member] Measurement Input, Correlation (FX/IR) [Member] Intangible assets, net (excluding goodwill) Intangible Asset, Excluding Goodwill, after Accumulated Amortization Agency Mortgage Backed Securities Agency [Member] Mortgage Backed Securities Agency [Member] Troubled Debt Restructurings on Financing Receivables Financing Receivable, Modified [Table Text Block] Interest rate and foreign currency risk on asset and liability management activities Interest Rate and Foreign Currency Risk on Asset Liability Management Activities [Member] Interest Rate and Foreign Currency Risk on Asset Liability Management Activities [Member] Net accretion of discount/premium on debt securities Accretion (Amortization) of Discounts and Premiums, Investments U.S. small business commercial Small Business Financing Receivable [Member] Class of financing receivables related to small business commercial financing receivables. Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Securities loaned or sold under agreements to repurchase Securities Sold under Agreements to Resell, Securities Loaned [Abstract] Securities Sold under Agreements to Resell, Securities Loaned [Abstract] Number of reportable segments Number of Reportable Segments AFS debt securities – Commercial Available-For-Sale Securities, Commercial [Member] Available-For-Sale Securities, Commercial Commercial unfunded lending commitments Unfunded Lending Commitments, Fair Value Disclosure Unfunded Lending Commitments, Fair Value Disclosure Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Net loss in AOCI expected to be reclassified Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Entity Address, City or Town Entity Address, City or Town Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Receivables [Abstract] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Commercial loans, debt securities and other Commercial Loans, Debt Securities And Other, Fair Value Disclosure Commercial Loans, Debt Securities And Other, Fair Value Disclosure Total Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement Gross charge-offs, Originated in current fiscal year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Cash and securities held as collateral Cash and Securities Held As Collateral, At Fair Value The amount of cash and securities collateral received and posted related to derivative instruments under master netting agreements (ISDA). Gains (Losses) Related to Borrower-specific Credit Risk for Assets and Liabilities Accounted for Under the Fair Value Option Fair Value, Option, Credit Risk, Gains (Losses) on Assets Total, yield Held-to-maturity Securities, Average Yield This item represents the total of all debt securities grouped by maturity dates, yield percent, which are categorized as held-to-maturity. Transfer of mortgage-backed securities to third-party trust Transfer of Financial Assets Accounted for as Sales, Amount Derecognized Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] 90+ Days Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Securities held as collateral, fair value Securities Held as Collateral, at Fair Value Less: Financial instruments collateral Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset Gross Transfers into Level 3  Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Asset management fees Investment And Brokerage Services, Asset Management Fees [Member] Investment And Brokerage Services, Asset Management Fees [Member] Segment Reporting Segment Reporting [Table Text Block] Level 3 recurring liabilities, as a percent of total liabilities Financial And Nonfinancial Liabilities, Fair Value Disclosure, Recurring Level 3 Liabilities, Percentage Of Total Liabilities Financial And Nonfinancial Liabilities, Fair Value Disclosure, Recurring Level 3 Liabilities, Percentage Of Total Liabilities Deconsolidation of resecuritization Cash Flows Between Transferor And Transferee, Deconsolidation Cash Flows Between Transferor And Transferee, Deconsolidation Municipal Bonds Municipal Bonds [Member] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Over-the-counter cleared Exchange Cleared [Member] Other comprehensive income (loss) Net change Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Credit Derivatives [Line Items] Credit Derivatives [Line Items] Income Capital Obligation Notes initially due December 15, 2066 of Bank of America Corporation Income Capital Obligation Notes [Member] Income Capital Obligation Notes [Member] Prime Prime [Member] Cumulative debit valuation adjustment Derivative Credit Risk Valuation Adjustment, Derivative Liabilities Fair Value Carrying Amount Fair Value, Option, Fair Value Carrying Amount [Abstract] Fair Value, Option, Fair Value Carrying Amount [Abstract] Allowance for loan and lease losses Allowance for loan and lease losses Allowance for loan and lease losses, beginning balance Allowance for loan and lease losses, ending balance Allowance for loan and lease losses Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Document Period End Date Document Period End Date Other commitment, due in next twelve months Other Commitment, Due In Next Rolling Twelve Months Other Commitment, Due In Next Rolling Twelve Months Fair value asset (liability), with identical underlying referenced names and terms Credit Derivative, Fair Value, With Identical Underlying Referenced Names And Terms Represents the carrying value of written credit derivatives for which purchased credit derivatives with identical underlying referenced names were held in order to offset exposure. Preferred stock outstanding (in shares) Preferred Stock, Shares Outstanding Earnings per common share Earnings Per Share, Basic [Abstract] Revolving Loans Converted to Term Loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Gross losses Debt Securities, Available-for-Sale, Realized Loss Total Securities Financing Agreements Liability Securities Financing Agreements Liability [Abstract] Securities Financing Agreements Liability [Abstract] United States Geographic Distribution, Domestic [Member] Trading Activity, by Type [Domain] Trading Activity, by Type [Domain] Position [Axis] Position [Axis] Brokerage fees Investment And Brokerage Services, Brokerage Fees [Member] Investment And Brokerage Services, Brokerage Fees [Member] Leases Lessor, Operating Leases [Text Block] Investment and brokerage services Brokerage Commissions Revenue Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Net change Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Fully-insured loans Fully Insured Loans [Member] Fully Insured Loans [Member] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Total realized and unrealized gains (losses) included in Net Income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Credit extension commitments, carrying value Credit Extension Commitments, Carrying Value This represents the carrying amount of legally binding unfunded lending commitments, excluding commitments accounted for under the fair value option, that have been distributed to other financial institutions. Hedged Liability, Statement of Financial Position [Extensible Enumeration] Hedged Liability, Statement of Financial Position [Extensible Enumeration] Loans and securities, fair value Loans And Securities, Fair Value Disclosure Loans And Securities, Fair Value Disclosure Total financing receivable percentage As a % of Financing Receivables Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage Gross Unrealized Gains Debt Securities Gross Unrealized Gain Debt Securities Gross Unrealized Gain Earnings Per Common Share Earnings Per Share [Text Block] Per common share information Earnings Per Share [Abstract] Earnings Per Share [Abstract] Offsetting Liabilities [Line Items] Offsetting Liabilities [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Total lease income Lease Income Home Equity Loan no Longer Originated Home Equity Loan, No Longer Originated [Member] Home Equity Loan, No Longer Originated [Member] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Amount Debt Securities Carried At Fair Value, Amortized Cost Basis Debt Securities Carried at Fair Value, Debt Maturities, Amortized Cost Basis Total liabilities Liabilities Trading account assets (includes $178,949 and $185,869 pledged as collateral) Trading account assets Debt Securities, Trading, and Equity Securities, FV-NI Trading Symbol Trading Symbol Weighted-average Interest Rate Reduction Financing Receivable, Modified, Weighted-Average Interest Rate Decrease from Modification Fair Value Total AFS debt securities Debt Securities, Available-for-Sale, Excluding Accrued Interest Carried at fair value Fair Value Debt securities carried at fair value Debt Securities Carried at Fair Value, Excluding Accrued Interest Debt Securities Carried at Fair Value, Excluding Accrued Interest Gross Transfers out of Level 3  Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Fair value carrying amount, liabilities Liabilities Fair Value, Option, Fair Value Carrying Amount, Liabilities Fair Value, Option, Fair Value Carrying Amount, Liabilities Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Servicing fees Contractually Specified Servicing Fee, Late Fee, and Ancillary Fee Earned in Exchange for Servicing Financial Asset Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Company Selected Measure Name Company Selected Measure Name Weighted-average life, variable rate Measurement Input, Weighted-Average Life, Variable Rate [Member] Measurement Input, Weighted-Average Life, Variable Rate [Member] Gains (losses) in OCI Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Cumulative basis adjustments, decrease, hedging relationships Hedged Asset, Fair Value Hedge, Portfolio Layer Method, Hedged Layer, Fair Value, Cumulative Increase (Decrease) Other consumer Other Financing Receivables [Member] Other Financing Receivables [Member] Foreign Mortgage-backed Securities and Foreign Securities Foreign Mortgage-backed Securities and Foreign Securities [Member] Foreign Mortgage-backed Securities and Foreign Securities [Member] Deposits Interest Expense, Deposits Reservable criticized Criticized [Member] Offsetting Liabilities [Table] Offsetting Liabilities [Table] Diluted earnings per common share Earnings Per Share, Diluted [Abstract] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] U.S. Treasury and government agencies US Government Corporations and Agencies Securities [Member] Other Risk Management Derivatives Derivatives Not Designated as Hedging Instruments [Table Text Block] Originated in current fiscal year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Equity securities, cost Equity Securities, FV-NI, Cost Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Financial advisory services Investment Banking Income, Financial Advisory Services [Member] Investment Banking Income, Financial Advisory Services [Member] Gross Transfers out of Level 3  Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Financing Receivable, Modified [Line Items] Financing Receivable, Modified [Line Items] Held-to-maturity debt securities: Proceeds from Sale and Maturity of Held-to-Maturity Securities [Abstract] Legally binding commitments Commitments to Extend Credit [Member] Dilutive potential common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Lending commitments Financing Receivable, Modified, Commitment to Lend Other operating activities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Other Fair Value Option, Other Eligible Items [Member] Gain (loss) on loans securitized Gain (Loss) On Loans Held-For-Sale And Securitization Financial Asset For Which Transfer Is Accounted As Sale Gain (Loss) On Sale Gain (Loss) on Loans Held-for-sale and Securitization Financial Asset For Which Transfer is Accounted as Sale Gain (Loss) on Sale Consumer and Small Business Credit Card Credit card lines Credit Card Lines [Member] Commitment to extend credit for credit cards. Award Timing Predetermined Award Timing Predetermined [Flag] Schedule of Amounts Recognized in Other Comprehensive Income (Loss) Comprehensive Income (Loss) [Table Text Block] Net interest income Interest income Interest and Dividend Income, Operating [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Gross Unrealized Losses Other Debt Securities Carried At Fair Value, Gross Unrealized Loss Other Debt Securities Carried At Fair Value, Gross Unrealized Loss Debt securities: Debt Securities [Abstract] Long-term debt: Proceeds from (Repayments of) Long-Term Debt and Capital Securities [Abstract] Gross Derivative Assets Derivative assets Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement Other Securities Loaned, Other Assets, Gross Including Not Subject To Master Netting Arrangement Securities Loaned, Other Assets, Gross Including Not Subject To Master Netting Arrangement Hedged Item Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Customer Vehicles Customer Vehicles [Member] Customer Vehicles [Member] Off-Balance Sheet, Credit Loss, Liability [Roll Forward] Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] Net Balance Sheet Amount Securities Sold, Subject To Master Netting Arrangement, After Offset Securities Sold, Subject To Master Netting Arrangement, After Offset Common stock repurchased Common stock repurchased Stock Repurchased and Retired During Period, Value Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Amortized Cost Debt Securities Carried at Fair Value, Amortized Cost, Excluding Accrued Interest, Before Allowance For Credit Loss Debt Securities Carried at Fair Value, Amortized Cost, Excluding Accrued Interest, Before Allowance For Credit Loss Non-agency residential Residential Mortgage-Backed Securities [Member] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Long-term debt, measured at fair value Long-term debt Long-term debt Long-Term Debt, Fair Value Net Balance Sheet Amount Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, After Offset Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, After Offset Scenario [Domain] Scenario [Domain] Direct/indirect consumer Direct and Indirect Financing Receivable [Member] Class of financing receivables related to direct and indirect consumer financing receivables. Such receivables include dealer financial services loans, consumer lending, U.S. securities-based lending margin loans, student loans, non-U.S. consumer loans, and other consumer loans. Right-of-use assets Operating Lease, Right-of-Use Asset One to Three Years Credit Derivative, Maximum Exposure, One To Three Years Credit Derivative, Maximum Exposure, One To Three Years Concentration Risk Type [Domain] Concentration Risk Type [Domain] Offsetting Assets [Table] Offsetting Assets [Table] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] US Government Agency Insured Loans US Government Agency Insured Loans [Member] Derivative Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Securities Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Less than One Year Credit Derivative, Maximum Exposure, Less Than One Year Credit Derivative, Maximum Exposure, Less Than One Year Global Wealth & Investment Management Global Wealth and Investment Management Segment [Member] GWIM provides comprehensive wealth management capabilities to a broad base of clients from emerging affluent to the ultra-high-net-worth. These services include investment and brokerage services, estate and financial planning, fiduciary portfolio management, cash and liability management and specialty asset management. GWIM also provides retirement and benefit plan services, philanthropic management and asset management to individual and institutional clients. In addition, GWIM includes the results of BofA Capital Management, the cash and liquidity asset management business that the Corporation retained following the sale of the Columbia long-term asset management business, and other miscellaneous items. GWIM also reflects the impact of migrating clients and their related deposit and loan balances to or from GWIM and Deposits, Home Loans & Insurance and the Corporation’s ALM activities. Subsequent to the date of migration, the associated net interest income, noninterest income and noninterest expense are recorded in the business to which the clients migrated. Expiration Date Trading Arrangement Expiration Date Non-U.S. and other taxable securities Non-U.S. And Other Taxable Securities [Member] Non-U.S. And Other Taxable Securities Hedging Relationship [Axis] Hedging Relationship [Axis] Gross Unrealized Gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Common stock issued under employee plans, net, and other Shares Issued, Value, Share-Based Payment Arrangement, Net Of Forfeiture Shares Issued, Value, Share-Based Payment Arrangement, Net Of Forfeiture Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract] Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table] Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table] Issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances Estimated range of possible loss Loss Contingency, Estimate of Possible Loss Gross Unrealized Losses Debt Securities Carried at Fair Value, Gross Unrealized Loss Debt Securities Carried at Fair Value, Gross Unrealized Loss Dividends declared: Dividends [Abstract] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Default rate Measurement Input, Default Rate [Member] Derivative [Table] Derivative [Table] Federal National Mortgage Association Certificates and Obligations (FNMA) and Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) Federal National Mortgage Association Certificates and Obligations (FNMA) and Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] Federal National Mortgage Association Certificates and Obligations (FNMA) and Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] Commercial real estate Real Estate Loan [Member] Deposits Deposits, Fair Value Disclosure Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Due after ten years, yield Held-to-maturity Securities, Debt Maturities, Rolling After Ten Years, Net Carrying Amount, Average Yield Held-to-maturity Securities, Debt Maturities, Rolling After Ten Years, Net Carrying Amount, Average Yield Securities segregated for compliance or deposited with clearing organizations Securities Segregated for Compliance or Deposited with Clearing Organizations [Member] Securities Segregated for Compliance or Deposited with Clearing Organizations [Member] Sales-type and direct financing leases Sales-Type And Direct Financing Leases, Lease Income Sales-Type And Direct Financing Leases, Lease Income Gross Derivative Assets Derivative Asset [Abstract] Trading account liabilities – Corporate securities and other Corporate Securities and Other [Member] Corporate Securities and Other Segments [Domain] Segments [Domain] Interest Rate Future and Forwards Interest Rate Future and Forward [Member] Interest Rate Future and Forward [Member] One to Three Years Derivative Liability, Notional Amount, Expiration From One to Three Years Derivative Liability, Notional Amount, Expiration From One to Three Years Interest Rate Swap Interest Rate Swap [Member] Accrued expenses and other liabilities, reserve for unfunded lending commitments Credit Extension Commitments, Reserve For Unfunded Lending Commitments Represents the estimated probable losses related to unfunded lending commitments measured at historical cost, such as letters of credit and financial guarantees, and binding unfunded loan commitments. Unfunded lending commitments are subject to the same assessment as funded loans except utilization assumptions are considered. Fair Value Option Fair Value, Option [Text Block] Scenario [Axis] Scenario [Axis] Depositary Shares, each representing a 1/1,000th interest in a share of 5.000% Non-Cumulative Preferred Stock, Series LL Series LL Preferred Stock [Member] Series LL Preferred Stock [Member] Depositary Shares, each representing a 1/1,000th interest in a share of 6.000% Non-Cumulative Preferred Stock, Series GG Series GG Preferred Stock [Member] Series GG Preferred Stock [Member] Total, yield Debt Securities Carried At Fair Value Amortized Cost Average Yield Debt Securities Carried at Fair Value, Debt Maturities, Yield PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Change in unrealized gains (losses) in net income related to financial instruments still held Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss) Common Dividends, Common Stock, Cash Total shareholders’ equity Beginning balance Ending balance Shareholders’ equity Equity, Attributable to Parent Offsetting Assets [Line Items] Offsetting Assets [Line Items] Assets On-balance sheet assets Assets [Abstract] Expire After Five Years Credit Extension Commitments, Notional Amount, Expiration After Five Years Represents unfunded legally binding commitments, expiring after five years of the balance sheet date. Such commitments consist of the entity committing to lend a specified amount to named borrowers at a certain interest rate, during a certain period and, usually, for a certain purpose. Non United States Geographic Distribution, Foreign [Member] Commercial lease financing Finance Leases Portfolio Segment [Member] Payment Deferral Forbearances Payment Deferral [Member] Financing Receivable Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Nonrecurring Fair Value, Nonrecurring [Member] Professional fees Professional Fees Insider Trading Policies and Procedures [Line Items] Nonperforming Loans Nonperforming Financial Instruments [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Debt Maturities, Amortized Cost Basis, Rolling Maturity [Abstract] Debt Securities Carried at Fair Value, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Deferred income taxes Deferred Income Tax Expense (Benefit) Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Residential Mortgage Residential Mortgage-Backed Securities, Issued By Private Enterprises [Member] Residential Mortgage-backed Securities, Issued by Private Enterprises [Member] Hedged asset, portfolio layer Hedged Asset, Fair Value Hedge, Portfolio Layer, Amount Hedged Asset, Fair Value Hedge, Portfolio Layer, Amount Correlation (IR/IR) Measurement Input, Correlation (IR/IR) [Member] Measurement Input, Correlation (IR/IR) [Member] Depositary Shares, each representing a 1/1,000th interest in a share of 4.250% Non-Cumulative Preferred Stock, Series QQ Series QQ Preferred Stock [Member] Series QQ Preferred Stock Number of operating segments Number of Operating Segments Equity Futures and Forwards Equity Future And Forward [Member] Equity Future and Forward [Member] Goodwill Goodwill [Table Text Block] Leases Lessor, Direct Financing Leases [Text Block] Entity Central Index Key Entity Central Index Key Loans held-for-sale (includes $3,842 and $2,271 measured at fair value) Loans held for sale Financing Receivable, Held-for-Sale, Excluding Accrued Interest, Not Part of Disposal Group, After Valuation Allowance Financing Receivable, Held-for-Sale, Excluding Accrued Interest, Not Part of Disposal Group, After Valuation Allowance Income before income taxes Income (Loss) From Continuing Operations Before Income Taxes, Extraordinary Items, Noncontrolling Interest, Full Tax Equivalent Basis Income (Loss) From Continuing Operations Before Income Taxes, Extraordinary Items, Noncontrolling Interest, Full Tax Equivalent Basis Over-the-counter Over-the-Counter [Member] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Additional Collateral Required to be Posted Upon Downgrade Schedule Of Additional Collateral Required Upon Downgrade [Table Text Block] Schedule Of Additional Collateral Required Upon Downgrade Long-dated inflation rates Measurement Input, Long-Dated Inflation Rates [Member] Measurement Input, Long-Dated Inflation Rates [Member] Interest and fee income reversed Financing Receivable, Accrued Interest, Writeoff Total return swaps/options: Other Credit Derivatives [Member] Net increase (decrease) in fair value Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Pledging Purpose [Axis] Pledging Purpose [Axis] Prime and Alt-A Prime And Alt-A Loan [Member] Prime And Alt-A Loan Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Preferred Preferred stock dividends Dividends, Preferred Stock, Cash Securities Based Lending Loans Securities Based Lending Loans [Member] Securities Based Lending Loans [Member] Qualifying Accounting Hedges Designated as Hedging Instrument [Member] Schedule of Credit Extension Commitment Expirations Schedule Of Credit Extension Commitment Expirations [Table Text Block] Schedule of Credit Extension Commitment Expirations [Table Text Block] Due after one year through five years, yield Held-to-maturity Securities, Debt Maturities, Rolling Year Two Through Five, Net Carrying Amount, Average Yield Held-to-maturity Securities, Debt Maturities, Rolling Year Two Through Five, Net Carrying Amount, Average Yield Noninterest-bearing Noninterest-Bearing Deposit Liabilities, Foreign Financing Receivable, Troubled Debt Restructuring [Table] Financing Receivable, Modified [Table] Interest-bearing (includes $1,828 and $1,223 measured at fair value) Interest-Bearing Deposit Liabilities, Domestic Originations and purchases Payment for Origination and Purchase, Loan, Held-for-Sale Accumulated Other Comprehensive Income (Loss) Total other comprehensive income (loss) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Hedged asset, available-for-sale debt securities and trading account assets, carrying value Hedged Asset, Fair Value Hedge Depositary Shares, each representing a 1/1,200th interest in a share of Bank of America Corporation Floating Rate Non-Cumulative Preferred Stock, Series 2 Series 2 Preferred Stock [Member] Series Two Preferred Stock member. Equity correlation Measurement Input, Equity Correlation [Member] Measurement Input, Equity Correlation [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Residential Mortgage And Home Equity Loan Residential Mortgage And Home Equity Loan [Member] Residential Mortgage And Home Equity Loan Long-term debt Long-Term Debt, Measurement Input Foreign Exchange Spot, Futures, and Forwards Foreign Exchange Spot Future And Forward [Member] Foreign Exchange Spot Future And Forward [Member] Non-U.S. securities Foreign Securities [Member] Foreign Securities Statement [Line Items] Statement [Line Items] Total assets Total assets Assets Assets Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] Term Extension Extended Maturity [Member] Interest expense Total interest expense Interest Expense, Operating Shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Due after ten years, amount Debt Maturities, Rolling After Year Ten, Amortized Cost Basis Debt Securities Carried at Fair Value, Debt Maturities, after Ten Years, Amortized Cost Basis Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Trading account liabilities Trading Liabilities Unconsolidated VIEs Unconsolidated VIEs Variable Interest Entity, Not Primary Beneficiary [Member] Pretax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Forward-Dated Repurchase and Securities Lending Agreements Forward-Dated Repurchase and Securities Lending Agreements [Member] Forward-Dated Repurchase and Securities Lending Agreements [Member] Operating Segments Operating Segments [Member] Decrease in liability Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) Written credit derivatives: Credit Default Swap, Selling Protection [Member] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Occupancy and equipment Occupancy, Net PEO PEO [Member] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Commodities Investment Commodities Investment [Member] Goodwill Total goodwill Goodwill Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit Before Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit Before Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit Before Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Assets Fair Value, Option, Fair Value Carrying Amount, Assets Fair Value, Option, Fair Value Carrying Amount, Assets Retained Earnings Retained Earnings [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign Currency Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Carrying and Fair Value of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Total trading account liabilities Trading Liabilities, Fair Value Disclosure Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Diluted earnings (in dollars per share) Diluted earnings per common share (in dollars per share) Earnings Per Share, Diluted Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract] Debt Securities, Held-to-Maturity, Fair Value, Rolling Maturity [Abstract] Yield Measurement Input, Yield [Member] Measurement Input, Yield [Member] Redemption of preferred stock Stock Redeemed or Called During Period, Value Interchange fees, gross and merchant income Fees and Commissions, Credit And Debit Cards, Gross Fees and Commissions, Credit And Debit Cards, Gross Amortization of intangibles Intangible Asset, Finite-Lived, Amortization Expense Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Originated three years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Credit Card and Direct/ Indirect Consumer Credit Card and Direct/ Indirect Consumer [Member] Credit Card and Direct/ Indirect Consumer [Member] Offsetting Assets Offsetting Assets [Table Text Block] Forbearance and Other Payment Plans Forbearance And Other Payment Plans [Member] Forbearance And Other Payment Plans Dilutive shares (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock Service charges Service Charges [Member] Service Charges [Member] Net realized (gains) losses reclassified into earnings Reclassification from AOCI, Current Period, Tax Cash Flow and Net Investment Hedges Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Proceeds from sales Proceeds From Sale Of Debt Securities, Fair Value The cash inflow associated with the sale of debt securities carried at fair value. U.S. Agency And U.S. Treasury Securities U.S. Agency And U.S. Treasury Securities [Member] U.S. Agency And U.S. Treasury Securities [Member] Sales-type Lease, Lease Income Sales-type Lease, Lease Income [Table Text Block] Proceeds from loan sales Transfers of Financial Assets Accounted For as Sale Initial Fair Value of Assets Obtained as Proceeds, in Period Represents the initial fair value recorded for assets received on transfer of financial assets in a securitization, asset-backed financing arrangement, or a similar transfer which transaction is recognized as a sale of the transferred financial assets, during the period. Federal funds purchased and securities loaned or sold under agreements to repurchase (includes $223,698 and $223,067 measured at fair value) Federal Funds Purchased and Securities Sold under Agreements to Repurchase Discounted cash flow, Industry standard derivative pricing Income and Cost Approach Valuation Technique [Member] Income and Cost Approach Valuation Technique [Member] Allowance for credit losses, period increase (decrease) Financing Receivable, Excluding Accrued Interest, And Off-Balance Sheet, Credit Loss, Allowance, Increase (Decrease) Financing Receivable, Excluding Accrued Interest, And Off-Balance Sheet, Credit Loss, Allowance, Increase (Decrease) Trading and derivative assets/liabilities Increase (Decrease) In Financial Instruments Used In Operating Activities And Derivative Assets Increase (Decrease) In Financial Instruments Used In Operating Activities And Derivative Assets Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Other Financing Receivable, Excluding Accrued Interest, Allowance, Adjustments, Other Financing Receivable, Excluding Accrued Interest, Allowance, Adjustments, Other Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Total net derivative liabilities Derivative Liability, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Less than 620 Refreshed FICO, Score Less Than 620 [Member] Refreshed FICO, Score Less Than 620 Maximum Payout/Notional Notional Disclosures [Abstract] Fair Value Other debt securities carried at fair value Other Debt Securities Carried at Fair Value, Excluding Accrued Interest Other Debt Securities Carried at Fair Value, Excluding Accrued Interest Debt-to-Value [Domain] Debt-to-Value [Domain] Instruments backed by commercial real estate assets Asset-Backed Financial Instruments, Collateralized By Commercial Real Estate, Fair Value Disclosure Asset-Backed Financial Instruments, Collateralized By Commercial Real Estate, Fair Value Disclosure Schedule of Dividends Dividends Declared [Table Text Block] Instruments backed by commercial real estate assets Asset-Backed Financial Instruments, Collateralized By Commercial Real Estate, Measurement Input Asset-Backed Financial Instruments, Collateralized By Commercial Real Estate, Measurement Input Schedule of Net Investment in Sales-type and Direct Financing Leases Schedule of Net Investment in Sales-type and Direct Financing Leases [Table Text Block] Schedule of Net Investment in Sales-type and Direct Financing Leases Other commitment, termination prior notice period Other Commitment, Termination Prior Notice Period Other Commitment, Termination Prior Notice Period Transfers continuing involvement servicing fee advances Transfers Continuing Involvement Servicing Fee Advances Represents the servicing advances on loans serviced, including securitizations where the entity has continuing involvement. Advance types include principal and interest (P&I), tax and insurance (T&I, also known as escrow advances) and corporate payments which are costs associated with foreclosing on and liquidating mortgage collateral. Loans Insured or Guaranteed by Government Authorities [Domain] Loans Insured or Guaranteed by Government Authorities [Domain] Mortgage trading loans, ABS and other MBS Mortgage Trading Loans, Asset-backed Securities And Other Mortgage Backed Securities [Member] Mortgage trading loans and asset backed securities Member. Less than One Year Derivative Liability, Fair Value, Gross Liability Including Not Subject To Master Netting Arrangement, Expiration Less Than One Year Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement, Expiration Less Than One Year Non-U.S. sovereign debt Debt Security, Government, Non-US [Member] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Equity Options Equity Option [Member] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Due after one year through five years, amount Held-to-maturity Securities, Debt Maturities, Rolling Year Two Through Five, Net Carrying Amount Held-to-maturity Securities, Debt Maturities, Rolling Year Two Through Five, Net Carrying Amount Additional net interest income and income tax expense, related to tax-exempt securities Interest Income (Expense) Net, Full Tax Equivalent Basis, After Tax Interest Income (Expense) Net, Full Tax Equivalent Basis, After Tax Equity securities Equity Securities [Member] Revolving Loans Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving Changes in the Allowance for Credit Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock issued (in shares) Common Stock, Shares, Issued Fair value Assets and liabilities measure on Recurring basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Balance, beginning Balance, ending Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Due in One Year or Less Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Permanent Modification Permanent Modifications [Member] Permanent Modifications Gains (losses) excluded from effectiveness testing and recognized in market making and similar activities Gain (Loss) from Components Excluded from Assessment of Cash Flow Hedge Effectiveness, Net Twelve Months or Longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Long-dated inflation volatilities Measurement Input, Long-Dated Inflation Volatilities [Member] Measurement Input, Long-Dated Inflation Volatilities [Member] Product and Service [Domain] Product and Service [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Due after One Year through Five Years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Sales Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales Long-term debt Long-Term Debt [Member] Noninterest expense Noninterest expense Noninterest Expense [Abstract] Interest rate risk on long-term debt Interest Rate Risk On Long-Tern Debt [Member] Interest Rate Risk On Long Tern Debt [Member] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Gain (loss) on derivatives not designated as hedging Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Change in unrealized gains (losses) in net income related to financial instruments still held Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) Card income Credit Card [Member] Marketing Marketing and Advertising Expense Termination Date Trading Arrangement Termination Date Other Commitments [Axis] Other Commitments [Axis] Due after five years though ten years, amount Debt Maturities, Rolling Year Six Through Ten, Fair Value Debt Securities Carried at Fair Value, Debt Maturities, after Five Through Ten Years, Fair Value Contractual Principal Outstanding Fair Value, Option, Contractual Principal Outstanding [Abstract] Fair Value, Option, Contractual Principal Outstanding [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Syndication fees Investment Banking Income, Syndication Fees [Member] Investment Banking Income, Syndication Fees [Member] Loans and leases: Proceeds from Sale, Loan and Lease, Held-for-Investment [Abstract] Other gross derivative assets Derivative Asset, Not Subject to Master Netting Arrangement Proceeds from paydowns and maturities Proceeds From Maturities Prepayments And Calls Of Debt Securities, Fair Value The cash inflow associated maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as debt securities carried at fair value. Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Revolving Loans Converted to Term Loans Revolving Loan Converted to Term Loan [Member] Revolving Loan Converted to Term Loan [Member] Total net derivative assets Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Total debt securities Marketable Securities Senior Medium-Term Notes, Series A, Step Up Callable Notes, due November 28, 2031 of BofA Finance LLC (and the guarantee of the Registrant with respect thereto) Senior Medium-Term Notes, Series A, Step Up Callable Notes [Member] Senior Medium-Term Notes, Series A, Step Up Callable Notes [Member] Fair Value as of Grant Date Award Grant Date Fair Value Purchases Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases Amortized Cost and Fair Value of Corporations Investment Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Schedule of Goodwill [Table] Goodwill [Table] Netting adjustments Federal Funds Purchased And Securities Loaned Or Sold Under Agreements To Repurchase, Fair Value, Offset Federal Funds Purchased And Securities Loaned Or Sold Under Agreements To Repurchase, Fair Value, Offset Transaction Market Method [Domain] Transaction Market Method [Domain] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Investment and brokerage services Investment and Brokerage Services [Member] Investment and Brokerage Services [Member] Consolidation Items [Axis] Consolidation Items [Axis] Long-term credit protection agreements, amount covered Long Term Credit Protection Agreements, Amount Covered Long Term Credit Protection Agreements, Amount Covered Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Resale and Forward-Dated Resale and Securities Borrowing Agreements Resale and Forward-Dated Resale and Securities Borrowing Agreements [Member] Resale and Forward-Dated Resale and Securities Borrowing Agreements [Member] Securities Financing Agreements, Collateral and Restricted Cash Securities Financing Agreements, Short-term Borrowings, Collateral and Restricted Cash Disclosure [Text Block] Securities Financing Agreements, Collateral and Restricted Cash Allowance for credit losses Allowance for credit losses Financing Receivable, Excluding Accrued Interest, And Off-Balance Sheet, Credit Loss, Allowance Financing Receivable, Excluding Accrued Interest, And Off-Balance Sheet, Credit Loss, Allowance Less than Twelve Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Credit card and other consumer Credit Card and Other Consumer Portfolio Segment [Member] Credit Card and Other Consumer Portfolio Segment [Member] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Total revenue, net of interest expense Revenues Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Securities Loaned And Financial Assets Sold Under Agreements To Repurchase Securities Loaned And Financial Assets Sold Under Agreements To Repurchase [Member] Securities Loaned and Financial Assets Sold Under Agreements to Repurchase Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Trade Names Trade Names [Member] Other assets, primarily MSRs and tax-related equity investments Other Assets, Including Auction Rate Securities [Member] Other Assets, Including Auction Rate Securities [Member] Assets and Liabilities Carried at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Debt securities: Marketable Securities [Abstract] All Award Types Award Type [Domain] Fair Value Option, Disclosures [Table] Fair Value Option, Disclosures [Table] Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Notional amount, with identical underlying referenced names and terms Credit Derivative, Notional Amount, With Identical Underlying Referenced Names And Terms Credit Derivative, Notional Amount, With Identical Underlying Referenced Names And Terms Asset Pledged as Collateral Asset Pledged as Collateral [Member] First Lien Mortgages First-Lien Mortgages [Member] A loan to an individual to purchase or refinance residential real estate such as a home, in which the real estate itself serves as collateral for the loan, but consisting of only first-liens. Auto Loans and Leases Auto Loans and Leases [Member] Auto Loans and Leases [Member] Restricted cash Restricted Cash Non-U.S. and other securities Non-U.S. And Other Securities [Member] Non-U.S. And Other Securities [Member] Senior securities: Senior Lien [Member] Commercial loans, debt securities and other Commercial Loans, Debt Securities And Other Assets, Measurement Input Commercial Loans, Debt Securities And Other Assets, Measurement Input Home equity lines of credit Home equity Home Equity Line of Credit [Member] Amortized Cost Debt Securities, Amortized Cost, Excluding Accrued Interest, Before Allowance For Credit Loss Debt Securities, Amortized Cost, Excluding Accrued Interest, Before Allowance For Credit Loss Other assets (includes $7,311 and $9,058 measured at fair value) All other assets Other assets Other Assets 30 to 59 Days Past Due Financial Asset, 30 to 59 Days Past Due [Member] Mortgage loans serviced for investors Servicing Asset At Fair Value, For Investors This represents the unpaid principal balance of mortgage loans serviced for investors at fair value. Legal Entity [Axis] Legal Entity [Axis] 30 Days or Less Maturity Less than 30 Days [Member] Hedged liability, long-term debt, carrying value Hedged Liability, Fair Value Hedge Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Noninterest income Noninterest income Noninterest Income [Abstract] Cash and cash equivalents Cash and cash equivalents at January 1 Cash and cash equivalents at June 30 Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Due in one year or less, yield Held-to-maturity Securities, Debt Maturities, Next Rolling Twelve Months, Net Carrying Amount, Average Yield Held-to-maturity Securities, Debt Maturities, Next Rolling Twelve Months, Net Carrying Amount, Average Yield Non-NEOs Non-NEOs [Member] Equity interest in property Equity Method Investment, Ownership Percentage Corporate securities, trading loans and other Corporate Securities, Trading Loans and Other [Member] Corporate securities, trading loans and other Member. Mortgage And Home Equity Securitizations Mortgage And Home Equity Securitizations [Member] Mortgage And Home Equity Securitizations Disclosure of Credit Derivatives Disclosure of Credit Derivatives [Table Text Block] Derivative liabilities, after netting Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral Fees and commissions Total fees and commissions Fees And Commissions1 Fees And Commissions1 Investment, Name [Domain] Investment, Name [Domain] Leases Lessee, Operating Leases [Text Block] Greater than or equal to 660 and less than 740 Refreshed FICO, Score between 660 and 740 [Member] Refreshed FICO, Score between 660 and 740 Lending-related fees Service Charges, Lending-Related Fees [Member] Service Charges, Lending-Related Fees [Member] Common stock repurchased Payments for Repurchase of Common Stock Mortgage-backed securities Collateralized Mortgage-Backed Securities [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Gains and Losses on Derivatives and Hedged Items Designated in Fair Value Hedges Derivative Instruments, Gain (Loss) [Table Text Block] Award Type Award Type [Axis] Interest rate contracts Interest Rate Contract [Member] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Consumer Credit Card and Other Consumer Consumer Portfolio Segment [Member] Due in one year or less, yield Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis, Average Yield Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis, Average Yield Product and Service [Axis] Product and Service [Axis] Common stock issued under employee plans, net, and other (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, Net Of Forfeiture Shares Issued, Shares, Share-Based Payment Arrangement, Net Of Forfeiture Net change in derivatives Net change in derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock, par value $0.01 per share Common Stock Common Stock [Member] Total assets of VIEs Variable Interest Entity, Nonconsolidated Entities, Assets Variable Interest Entity, Nonconsolidated Entities, Assets Operating Lease, Lease Income Operating Lease, Lease Income [Table Text Block] Price risk on certain compensation plans Price Risk On Certain Compensation Plans [Member] Price Risk On Certain Compensation Plans Litigation settlement expense Litigation Settlement, Fee Expense Time deposits placed and other short-term investments Increase (Decrease) In Time Deposits And Other Short-Term Investments Increase (Decrease) in Time Deposits and Other Short-term Investments Gross charge-offs, Originated four years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Nonperforming loans Financing Receivable, Excluding Accrued Interest, Recorded Investment, Current and 1 To 29 Days Past Due Financing Receivable, Excluding Accrued Interest, Recorded Investment, Current and 1 To 29 Days Past Due Loss severity Measurement Input, Loss Severity [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Stated maturities Demand Deposit Accounts, Stated Maturities Demand Deposit Accounts, Stated Maturities Freddie Mac Freddie Mac [Member] Freddie Mac (Gains) losses on sales of debt securities Net gains (losses) on sales of AFS debt securities Debt Securities, Available-for-Sale, Realized Gain (Loss) Total liabilities and shareholders’ equity Liabilities and Equity Securities, pledged as collateral Marketable Securities Pledged As Collateral Marketable Securities Pledged As Collateral Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Commercial reservable criticized utilized exposure, percent Commercial Reservable Criticized Utilized Exposure, Percent Commercial Reservable Criticized Utilized Exposure, Percent Employee Stock Option Share-Based Payment Arrangement, Option [Member] Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Pretax losses reclassified from accumulated OCI Net realized (gains) losses reclassified into earnings Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Trading account liabilities Interest Expense, Trading Liabilities Schedule of Derivative Instruments in Statement of Financial Position, Fair Value Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Tax Credit Vehicles Tax Credit Vehicles [Member] Tax Credit Vehicles [Member] Greater than or equal to 620 and less than 660 Refreshed FICO, Score between 620 and 660 [Member] Refreshed FICO, Score between 620 and 660 Credit Derivatives Contract Type [Axis] Credit Derivatives Contract Type [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Other Debt Securities, Carried at Fair Value: Other Debt Securities, Carried at Fair Value [Abstract] Other Debt Securities, Carried at Fair Value [Abstract] Expire in One Year or Less Credit Extension Commitments, Notional Amount, Expiration In One Year Or Less Represents unfunded legally binding commitments, expiring within one year of the balance sheet date. Such commitments consist of the entity committing to lend a specified amount to named borrowers at a certain interest rate, during a certain period and, usually, for a certain purpose. Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Debt-to-Value [Axis] Debt-to-Value [Axis] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Net interest income Interest Income (Expense) Net, Full Tax Equivalent Basis Interest Income (Expense) Net, Full Tax Equivalent Basis Preferred stock dividends and other Preferred stock dividends and other Preferred Stock Dividends and Other Adjustments Other risk Other Trading [Member] Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Activity, Accrual [Axis] Deposit-related fees Service Charges, Deposit-Related Fees [Member] Service Charges, Deposit-Related Fees [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Less than One Year Derivative Liability, Notional Amount, Expiration Less Than One Year Derivative Liability, Notional Amount, Expiration Less Than One Year Gross Transfers out of Level 3  Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3 Net realized (gains) losses reclassified into earnings Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Dividends Payable [Line Items] Dividends Payable [Line Items] Dividends Payable [Table] Dividends Payable [Table] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] Floating Rate Preferred Hybrid Income Term Securities of BAC Capital Trust XIII (and the guarantee related thereto) Floating Rate Preferred Hybrid Income Term Securities [Member] Floating Rate Preferred Hybrid Income Term Securities [Member] 60 to 89 Days Past Due Financial Asset, 60 to 89 Days Past Due [Member] Hedging Designation [Axis] Hedging Designation [Axis] Netting adjustments Asset, Fair Value, Offset Asset, Fair Value, Offset Unguaranteed residuals Sales-Type And Direct Financing Leases, Unguaranteed Residual Asset Sales-Type And Direct Financing Leases, Unguaranteed Residual Asset Total assets Assets, Fair Value Disclosure Trading account assets, pledged as collateral Debt Securities, Trading, Restricted Instruments backed by residential real estate assets Asset-Backed Financial Instruments, Collateralized By Residential Real Estate, Fair Value Disclosure Asset-Backed Financial Instruments, Collateralized By Residential Real Estate, Fair Value Disclosure Name Measure Name Derivative liabilities (DVA) Debit Valuation Gain (Loss), On Derivative Liability, Gross The impact of the Corporation's own credit quality on the fair value of derivative liabilities. Credit valuation gains (losses) are recognized in trading account profits (losses). Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Demand deposits Demand Deposit Accounts Equity Swaps Equity Swap [Member] Unfunded loan commitment, held as a security Unfunded Loan Commitment, Debt Securities And Other Investments [Member] Unfunded Loan Commitment, Debt Securities And Other Investments [Member] Credit Card and Automobile Credit Card Receivable And Asset-Backed Securities, Securitized Loans And Receivables [Member] Credit Card Receivable And Asset-Backed Securities, Securitized Loans And Receivables Market comparables, Discounted cash flow, Stochastic recovery correlation model Valuation Technique, Market Approach, Discounted Cash Flow, Stochastic Recovery Correlation Model [Member] Valuation Technique, Market Approach, Discounted Cash Flow, Stochastic Recovery Correlation Model Loans Insured or Guaranteed by Government Authorities [Axis] Loans Insured or Guaranteed by Government Authorities [Axis] Loans and leases Interest and Fee Income, Financing Receivable Indefinite-lived Intangible Assets [Axis] Intangible Asset, Indefinite-Lived, Class [Axis] Total Past Due 30 Days or More Financing Receivables, Total 30 Days or Greater Past Due [Member] Financing Receivables, Total 30 Days or Greater Past Due [Member] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Credit spreads Measurement Input, Credit Spreads [Member] Measurement Input, Credit Spreads Other Securities Financing Agreements Liability, Other [Abstract] Securities Financing Agreements Liability, Other [Abstract] Less: Legally enforceable master netting agreements and cash collateral received/paid Netting adjustments Derivative Asset, Subject to Master Netting Arrangement, Gross Liability and Collateral, Obligation to Return Cash, Offset Other changes in loans and leases, net Payments for (Proceeds from) Other Loans and Leases Market comparables, Discounted cash flow, Stochastic recovery correlation model Valuation Technique, Discounted Cash Flow, Stochastic Recovery Correlation Model [Member] Valuation Technique, Discounted Cash Flow, Stochastic Recovery Correlation Model [Member] Name Trading Arrangement, Individual Name Tax-exempt securities Tax-exempt securities Tax-Exempt Securities [Member] Tax exempt securities Member. Position [Domain] Position [Domain] Transfer of Certain Financial Assets Accounted for as Secured Borrowings Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table Text Block] Company Selected Measure Amount Company Selected Measure Amount Less than or equal to 90 percent Debt To Value Less, Than Or Equal To Ninety Percent [Member] Debt To Value Less, Than Or Equal To Ninety Percent [Member] Netting adjustments Liabilities, Fair Value, Offset Liabilities, Fair Value, Offset Depreciation and amortization Depreciation, Depletion and Amortization Assets Fair Value, Option, Contractual Principal Outstanding, Assets Fair Value, Option, Contractual Principal Outstanding, Assets Schedule of Securitization or Asset-backed Financing Arrangements, Financial Asset for which Transfer is Accounted as Sale [Table] Schedule of Securitization or Asset-Backed Financing Arrangements, Financial Asset for which Transfer is Accounted as Sale [Table] Common stock issued (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Redemption of preferred stock Preferred Stock, Redemption Amount Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Non-PEO NEO Non-PEO NEO [Member] Credit derivatives Credit Risk Contract [Member] Noninterest-bearing Noninterest-Bearing Deposit Liabilities, Domestic Gross Assets/Liabilities Securities Sold, Subject To Master Netting Arrangement, Before Offset Securities Sold under Agreements to Repurchase, Securities Loaned, Gross Total noninterest expense Noninterest Expense Loans Loans Receivable, Fair Value Disclosure, Net Of Allowance, Excluding Leases This reflects the aggregate carrying amount of all categories of loans held in portfolio, net of unearned income and the allowance for losses on loans. Weighted average remaining life of bonds held in the trusts in years Qualitative And Quantitative Information, Transferor's Continuing Involvement, Remaining Life Of Bonds Held In Trust This represents the weighted-average remaining life of bonds held in municipal bond trusts. Due after ten years, yield Debt Maturities, Rolling After Year Ten, Amortized Cost Basis, Average Yield Debt Securities Carried at Fair Value, Debt Maturities, Yield, after Ten Years Award Timing Method Award Timing Method [Text Block] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Liabilities Fair Value, Option, Contractual Principal Outstanding, Liabilities Fair Value, Option, Contractual Principal Outstanding, Liabilities Scenario, Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Due after five years though ten years, yield Held-to-maturity Securities, Debt Maturities, Rolling Year Six Through Ten, Net Carrying Amount, Average Yield Held-to-maturity Securities, Debt Maturities, Rolling Year Six Through Ten, Net Carrying Amount, Average Yield Net income Net income Net income Net income Net Income (Loss) Attributable to Parent Credit risk on loans Credit Risk On Loans [Member] Credit Risk on Loans [Member] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Level 3 recurring assets, as a percent of total assets Assets, Fair Value Disclosure, Recurring Level 3 Assets, Percentage Of Total Assets Assets, Fair Value Disclosure, Recurring Level 3 Assets, Percentage Of Total Assets Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Restatement Determination Date: Restatement Determination Date [Axis] One to Three Years Derivative Liability, Fair Value, Gross Liability Including Not Subject To Master Netting Arrangement, Expiration From One To Three Years Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement, Expiration From One to Three Years Schedule of Accumulated OCI Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Term Loans Term Loans [Member] Term Loans [Member] Trading Activity, by Type [Axis] Trading Activity [Axis] Gross cash proceeds from transfer of securities Transfer of Financial Assets Accounted for as Sales, Cash Proceeds Received for Assets Derecognized, Amount Gains (losses) in OCI Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Trading Derivatives and Securities Trading Derivatives [Member] Trading Derivatives [Member] Reclassified consumer real estate loans Noncash Investing And Financing Activities, Reclassifications Out Of Loans And Leases Receivable Noncash Investing and Financing Activities, Reclassifications Out of Loans and Leases Receivable Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items] Securitization or Asset-Backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items] Unguaranteed residual asset with third-party residual value insurance Sales-type Lease, Unguaranteed Residual Asset With Third-party Residual Value Insurance Sales-type Lease, Unguaranteed Residual Asset With Third-party Residual Value Insurance Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option Fair Value, Option, Changes in Fair Value, Gain (Loss) Life Insurance Book Value Protection Life Insurance Book Value Protection [Member] Life Insurance Book Value Protection [Member] Cash and securities collateral posted Collateral Already Posted, Aggregate Fair Value Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Add preferred stock dividends due to assumed conversions Preferred stock dividends due to assumed conversions Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities Total net investment in sales-type and direct financing leases Net Investment in Lease, before Allowance for Credit Loss Statistical Measurement [Domain] Statistical Measurement [Domain] Fair Value Debt Securities, Fair Value, Excluding Accrued Interest Debt Securities, Fair Value, Excluding Accrued Interest Financial Instruments Securities Financing Agreements Liability, Subject To Master Netting Arrangement, Right To Reclaim Securities Securities Financing Agreements Liability, Subject To Master Netting Arrangement, Right To Reclaim Securities Net Balance Sheet Amount Securities Financing Agreements Liability, Subject To Master Netting Arrangement, After Offset Securities Financing Agreements Liability, Subject To Master Netting Arrangement, After Offset Document Fiscal Year Focus Document Fiscal Year Focus Less: Legally enforceable master netting agreements Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Fair Value Carrying Amount Less Unpaid Principal Fair Value, Option, Aggregate Differences [Abstract] Gross Assets/Liabilities Securities Borrowed, Subject To Master Netting Arrangement, Before Offset Amount, before effects of master netting arrangements, of securities purchased under agreements to resell and securities borrowed. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Less: Cash collateral received/paid Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Total deposits Deposits Interest bearing, measured at fair value Interest-bearing deposits in U.S. offices Interest-Bearing Deposit Liabilities, Domestic, Fair Value Disclosure Interest-bearing Deposit Liabilities, Domestic, Fair Value Disclosure Liabilities Fair Value, Option, Aggregate Differences, Liabilities Fair Value, Option, Aggregate Differences, Liabilities 5.63% Fixed to Floating Rate Preferred Hybrid Income Term Securities of BAC Capital Trust XIV (and the guarantee related thereto) 5.63% Fixed to Floating Rate Preferred Hybrid Income Term Securities [Member] 5.63% Fixed to Floating Rate Preferred Hybrid Income Term Securities [Member] Credit risk Credit [Member] Recourse Status [Axis] Recourse Status [Axis] Other commitment, expiration term (in months) Other Commitment, Expiration Period Other Commitment, Expiration Period Revolving Loans Line of Credit [Member] Restatement Determination Date Restatement Determination Date Nonperforming loans and leases, percent outstanding Financing Receivable, Excluding Accrued Interest, Nonaccrual, Percent Past Due Less: Cash collateral received/paid Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset Total revenue, net of interest expense Revenues, Net Of Interest Expense, Full Tax Equivalent Basis Revenue, at full tax equivalent basis, net of interest expense. Long-term deposits Long-term Deposits [Member] Long Term Deposits Member. Modified term Financing Receivable, Modified, Term Extension Granted Financing Receivable, Modified, Term Extension Granted Interest rate and foreign currency risk Interest Rate and Foreign Currency Risk on Long-Term Debt [Member] Interest rate and foreign currency risk on long-term debt. Commercial MBS Commercial MBS [Member] Commercial MBS Other noninterest expense Other Noninterest Expense Modifications over the last 12 months Total Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months Greater than 90 percent but less than or equal to 100 percent Debt To Value, Greater Than Ninety Percent But Less Than Or Equal To Hundred Percent [Member] Debt To Value, Greater Than Ninety Percent But Less Than Or Equal To Hundred Percent [Member] Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Commodity Futures and Forwards Commodity Future And Forward [Member] Commodity Future and Forward [Member] Inputs Fair Value Measurement Inputs and Valuation Techniques [Abstract] Discounted cash flow, Asset-based approach Valuation Technique, Discounted Cash Flow, Asset-Based Approach [Member] Valuation Technique, Discounted Cash Flow, Asset-Based Approach Residual interests Retained Interest, Fair Value Disclosure Credit default swaps: Credit Default Swap [Member] Percentage of outstandings, total outstanding Financing Receivable, Net Of Deferred Income, Percent Financing Receivable, Net Of Deferred Income, Percent Payment for half of subscribed shares Federal Reserve Bank Stock Marketable Securities [Line Items] Marketable Securities [Line Items] Notional amount of credit extension commitments under fair value option Credit Extension Commitments, Notional Amount, Recorded Under Fair Value This represents the notional amount of commitments to extend credit which are accounted for under the fair value option. Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Loss Contingencies [Table] Loss Contingencies [Table] Foreign exchange risk Foreign Exchange [Member] Investments [Domain] Investments [Domain] Trading account liabilities – Equity securities Trading Account Liabilities, Equity Securities [Member] Trading Account Liabilities, Equity Securities [Member] Accrued expenses and other liabilities, measured at fair value Nonfinancial Liabilities Fair Value Disclosure Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Gross Transfers into Level 3  Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Entity Address, State or Province Entity Address, State or Province Nonperforming loans and leases Nonperforming Loans and Leases Financing Receivable, Excluding Accrued Interest, Nonaccrual Net change in foreign currency translation adjustments Net change in foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Investments in affordable housing, renewable energy and certain other projects Investment, Proportional Amortization Method, Elected, Amount Assets Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis Financial assets Assets, Fair Value Disclosure [Abstract] Natural gas forward price Measurement Input, Commodity Forward Price [Member] Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Contract/Notional Total Notional amount of derivatives Derivative, Notional Amount Average common shares issued and outstanding (in shares) Average common shares issued and outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Net Balance Sheet Amount Securities Borrowed, Subject To Master Netting Arrangement, After Offset Securities Purchased Under Agreements to Resell, Securities Borrowed Due after ten years, amount Debt Maturities, Rolling After Year Ten, Fair Value Debt Securities Carried at Fair Value, Debt Maturities, after Ten Years, Fair Value Mortgage Related Securitizations Schedule of Gain (Loss) on Securitizations or Asset-Backed Financing Arrangements of Financial Assets Accounted for as Sale [Table Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Due in one year or less, amount Held-to-maturity Securities, Debt Maturities, Next Rolling Twelve Months, Net Carrying Amount Held-to-maturity Securities, Debt Maturities, Next Rolling Twelve Months, Net Carrying Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Interest-bearing deposits with the Federal Reserve, non-U.S. central banks and other banks Interest-Bearing Deposits in Banks and Other Financial Institutions Unfunded loan commitments Loan commitments Unfunded Loan Commitment [Member] Accrued expenses and other liabilities Accrued Expenses and Other Liabilities [Member] -- None. No documentation exists for this element. -- Total noninterest income Noninterest income Noninterest Income Amounts Offset Securities Financing Agreements Liability, Subject To Master Netting Arrangement, Offset Securities Financing Agreements Liability, Subject To Master Netting Arrangement, Offset Term of unfunded capital contributions (in years) Unfunded Capital Contributions, Term Unfunded Capital Contributions, Term Interest rate risk on variable-rate portfolios Interest Rate Risk on Variable-Rate Portfolios [Member] Interest Rate Risk On Variable Rate Portfolios Member. Outstanding Loans and Leases and Allowance for Credit Losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Amounts Offset Securities Sold, Subject To Master Netting Arrangement, Offset Securities Sold, Subject To Master Netting Arrangement, Offset Derivative assets (CVA) Credit Valuation Gain (Loss) On Derivative Asset, Gross Counterparty credit risk valuation adjustments on derivative assets recorded to properly reflect the credit quality of the counterparty. Adjustments are necessary as the market quotes on derivatives do not fully reflect the credit risk of the counterparties to the derivative assets. Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Agency-collateralized mortgage obligations Mortgage Backed Securities, Agency-Collateralized Mortgage Obligation [Member] Agency backed (GN, FN, FR) collateralized mortgage obligation. Underlying collateral is agency MBS. Cash flows are structured/tranched Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Interest rate volatilities Measurement Input, Interest Rate Volatilities [Member] Measurement Input, Interest Rate Volatilities Net income applicable to common shareholders Net income applicable to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Accruing past due 90 days or more, percent outstanding Financing Receivable, Excluding Accrued Interest, 90 Days Or More Past Due, Still Accruing, Percent Financing Receivable, Excluding Accrued Interest, 90 Days Or More Past Due, Still Accruing, Percent Cash dividends paid Payments of Ordinary Dividends Preferred stock: Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants [Abstract] Gross Assets/Liabilities Securities Financing Agreements Liability, Subject To Master Netting Arrangement, Before Offset Securities Financing Agreements Liability, Subject To Master Netting Arrangement, Before Offset Commercial Lease Financing Lease Financing [Member] Lease Financing [Member] Residential and Commercial Financing Receivable Residential and Commercial Financing Receivable [Member] Residential and Commercial Financing Receivable [Member] Depositary Shares, each representing a 1/1,000th interest in a share of 5.875% Non-Cumulative Preferred Stock, HH Series HH Preferred Stock [Member] Series HH Preferred Stock [Member] Amounts Offset Securities Borrowed, Subject To Master Netting Arrangement, Offset Securities Purchased Under Agreements to Resell, Securities Borrowed, Liability Leveraged Lease Trusts Leveraged Lease Trusts [Member] Leveraged Lease Trusts. Securities sold under agreements to repurchase Securities Sold Under Agreements to Repurchase Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement Collateralized Debt Obligations Collateralized Debt Obligations [Member] Maximum agreement maturity period (less than) Secured Borrowings, Gross, Including Not Subject To Master Netting Arrangements, Maturity Period Secured Borrowings, Gross, Including Not Subject To Master Netting Arrangements, Maturity Period Loans and leases, net of allowance Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Gross Unrealized Losses Debt Securities Gross Unrealized Loss Debt Securities Gross Unrealized Loss Term for contractual payments Financing Receivable, Modified, Term Financing Receivable, Modified, Term Market making and similar activities Sales and trading revenue Trading Gain (Loss) Long-term debt (includes $84,797 and $72,591 measured at fair value) Long-term debt (includes $7,555 and $6,847 of non-recourse debt) Long-term debt Long-Term Debt Reverse Mortgages Reverse Mortgages [Member] Reverse Mortgages [Member] After 30 Days Through 90 Days Maturity 30 to 90 Days [Member] Originated two years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Subprime Subprime [Member] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Shareholders' Equity Equity [Text Block] Reserve for unfunded lending commitments, period decrease Off Balance Sheet, Credit Loss, Liability, Period Increase (Decrease) Off Balance Sheet, Credit Loss, Liability, Period Increase (Decrease) Security Exchange Name Security Exchange Name Investments, Debt And Equity Securities [Line Items] Investments, Debt And Equity Securities [Line Items] Investments, Debt And Equity Securities Less: Legally enforceable master netting agreements and cash collateral received/paid Netting adjustments Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset Amortized Cost Held-to-maturity securities Held-to-maturity securities Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss Transaction Market Method [Axis] Transaction Market Method [Axis] Net change in debit valuation adjustments Net change in debit valuation adjustments Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax and Reclassification Adjustment, Attributable to Parent Financial Instruments Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, Right To Reclaim Securities Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, Right To Reclaim Securities Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Total liabilities Liabilities, Fair Value Disclosure Subsequent default for loans modified within the last 12 months Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default Twelve Months or Longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Federal funds sold and securities borrowed or purchased under agreements to resell Interest Income, Federal Funds Sold and Securities Purchased under Agreements to Resell Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Financial Instruments Securities Sold, Subject To Master Netting Arrangement, Collateral, Right To Reclaim Securities Securities Sold, Subject To Master Netting Arrangement, Collateral, Right To Reclaim Securities Marketable Securities [Table] Marketable Securities [Table] Net interest income Interest Income (Expense), Operating [Abstract] Name Outstanding Recovery, Individual Name Income tax expense (benefit) attributable to realized net gains (losses) on sales of AFS debt securities Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Other Variable Interest Entities Other Variable Interest Entities [Member] Other Variable Interest Entities [Member] Net Assets/Liabilities Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, Amount Offset Against Collateral Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, Amount Offset Against Collateral Operating Lease Income, Comprehensive Income, Extensible List Not Disclosed Flag Operating Lease Income, Comprehensive Income, Extensible List Not Disclosed Flag Operating Lease Income, Comprehensive Income, Extensible List Not Disclosed Flag Less: Financial instruments collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Interest rate risk on available-for-sale securities Interest rate risk on AFS securities Interest Rate Risk On Available-For-Sale Securities [Member] Interest Rate Risk On Available For Sale Securities Member. Debt Securities, Held-to-maturity, Maturity, Amortized Cost, Net [Abstract] Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity [Abstract] Net Assets/Liabilities Securities Financing Agreements Liability, Subject To Master Netting Arrangement, Amount Offset Against Collateral Securities Financing Agreements Liability, Subject To Master Netting Arrangement, Amount Offset Against Collateral Expire After Three Years Through Five Years Credit Extension Commitments, Notional Amount, Expiration After Three Years Through Five Years Represents unfunded legally binding commitments, expiring after three years through five years of the balance sheet date. Such commitments consist of the entity committing to lend a specified amount to named borrowers at a certain interest rate, during a certain period and, usually, for a certain purpose. Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Debt Securities, Available-For-Sale [Line Items] Debt Securities, Available-For-Sale [Line Items] [Line Items] for Disclosure of information about investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Other Assets Other Financial Assets [Member] Other Financial Assets [Member] FICC Repo Program FICC Repo Program [Member] FICC Repo Program [Member] Federal funds sold and securities borrowed or purchased under agreements to resell Proceeds from (Payments for) Federal Funds Sold and Securities Purchased under Agreements to Resell, Net Lien Category [Axis] Lien Category [Axis] Long-term debt Interest Expense, Long-Term Debt Net change in debt securities OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Net Assets/Liabilities Securities Borrowed, Subject To Master Netting Arrangement, Amount Offset Against Collateral Securities Purchased under Agreements to Resell, Securities Borrowed, Amount Offset Against Collateral Interchange fees Card Income, Interchange Fees [Member] Card Income, Interchange Fees [Member] Federal funds purchased and securities loaned or sold under agreements to repurchase Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net Employee Benefit Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Residential Mortgage Residential Mortgage [Member] Other assets, primarily MSRs and tax-related equity investments Other Assets, Measurement Input, Term Other Assets, Measurement Input, Term Available-for-sale debt securities Total AFS debt securities AFS debt securities – Non-agency residential Debt Securities [Member] Asset Class [Domain] Asset Class [Domain] Credit Score, FICO [Axis] Credit Score, FICO [Axis] Depositary Shares, each representing a 1/1,000th interest in a share of 4.125% Non-Cumulative Preferred Stock, Series PP Series PP Preferred Stock [Member] Series PP Preferred Stock Compensation Amount Outstanding Recovery Compensation Amount Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit Before Amortization Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag InvestmentProgramProportionalAmortizationMethodElectedIncomeTaxCreditAndOtherIncomeTaxBenefitBeforeAmortizationStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag InvestmentProgramProportionalAmortizationMethodElectedIncomeTaxCreditAndOtherIncomeTaxBenefitBeforeAmortizationStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag Individual: Individual [Axis] Dealer Financial Services Loans Auto And Specialty Lending Loans And Leases [Member] Auto And Specialty Lending Loans And Leases [Member] Average diluted common shares issued and outstanding (in shares) Total average diluted average common shares issued and outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Resecuritization Trusts Resecuritization Trusts [Member] Resecuritization vehicles. Loans and leases (includes $3,359 and $3,498 measured at fair value) Loans and leases Total Carrying value of receivables in trusts Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Underlying Security Market Price Change Underlying Security Market Price Change, Percent Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Gross Unrealized Losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Short-term borrowings Short-Term Debt Maximum loss exposure Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Total gross derivative liabilities, before netting Derivative Liability, Subject to Master Netting Arrangement, before Offset Amortized cost basis of portfolios used in hedging relationships Financial Asset, Closed Portfolio, Portfolio Layer Method, Amortized Cost Provision for unfunded lending commitments Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Customer and other receivables Other Receivables Gross Assets/Liabilities Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, Before Offset Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, Before Offset Decrease in allowance for loan and lease losses Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Securities Borrowed And Securities Purchased Under Agreements To Resell Securities Borrowed And Securities Purchased Under Agreements To Resell [Member] Securities Borrowed and Securities Purchased Under Agreements to Resell AFS and HTM debt securities Debt Securities, Available-For-Sale And Held-To-Maturity, Excluding Accrued Interest Debt Securities, Available-For-Sale And Held-To-Maturity, Excluding Accrued Interest Gross Unrealized Gains Debt Securities Carried at Fair Value, Gross Unrealized Gain Debt Securities Carried at Fair Value, Gross Unrealized Gain Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Indefinite-lived Intangible Assets, Major Class Name [Domain] Intangible Asset, Indefinite-Lived, Class [Domain] Commercial loans Commercial Loan [Member] Schedule of Fair Value Option Elections Fair Value Option, Disclosures [Table Text Block] Principal Forgiveness Principal Forgiveness [Member] Gross charge-offs, Originated two years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff All Executive Categories All Executive Categories [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive income (loss), net-of-tax: After- tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other commitments Other Commitments [Member] Other Commitments Accruing past due 90 days or more Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing Fair value of derecognized assets Transfer of Financial Assets Accounted for as Sales, Fair Value of Derecognized Assets Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Subsidiary, ownership interest, percentage Subsidiary, Ownership Interest, Percentage Subsidiary, Ownership Interest, Percentage Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Calculation of earnings per common share and diluted earnings per common share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debit Valuation Adjustments Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent [Member] Product delivery and transaction related Product Delivery And Transaction Related Expenses Expenses related to activities that support revenue generating transactions and delivery of services to customers, such as brokerage, loan, collection and foreclosure costs, postage and supplies and certain card processing costs. Business Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Additional collateral required to be posted upon downgrade, second incremental notch Additional Collateral, Effect of Downgrade by Second Incremental Notch, Aggregate Fair Value Additional Collateral, Effect of Downgrade by Second Incremental Notch, Aggregate Fair Value Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Gross Derivative Liabilities Total Derivative liabilities Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement Federal funds purchased and securities loans or sold under agreements to repurchase, at fair value Federal funds purchased and securities loaned or sold under agreements to repurchase Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Securitizations and Other Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Liabilities On-balance sheet liabilities Liabilities [Abstract] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Investment amortization Investment Program, Proportional Amortization Method, Applied, Amortization Expense Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Three to Five Years Credit Derivative, Maximum Exposure, Three To Five Years Credit Derivative, Maximum Exposure, Three To Five Years Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Investment grade Internal Investment Grade [Member] Accrued interest receivable Financing Receivable, Accrued Interest, after Allowance for Credit Loss Derivative Derivative [Member] All other liabilities (includes $20 and $18 of non-recourse liabilities) All other liabilities (includes $20 and $18 of non-recourse liabilities) All other liabilities Other Liabilities Mortgage trading loans, MBS and ABS Mortgage Trading Loans, Mortgage Backed Securities And Asset-backed Securities [Member] Mortgage Trading Loans, Mortgage Backed Securities And Asset-backed Securities Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (loss) Other income (loss) Noninterest Income, Other Operating Income Held-to-maturity debt securities Debt Securities, Held-to-Maturity, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock authorized (in shares) Common Stock, Shares Authorized FHLMC Federal Home Loan Mortgage Corporation (FHLMC) [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Gross gains Debt Securities, Available-for-Sale, Realized Gain Exercise Price Award Exercise Price Held-to-maturity, at amortized cost (fair value $423,734 and $442,430) Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Recurring Fair Value, Recurring [Member] Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Credit correlation Measurement Input, Credit Correlation [Member] Measurement Input, Credit Correlation Common Stock and Additional Paid-in Capital Common Stock Including Additional Paid in Capital [Member] Gross charge-offs, Originated three years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Total Current or Less Than 30 Days Past Due Financing Receivables, Current or Less Than 30 Days Past Due [Member] Financing Receivables, Current or Less Than 30 Days Past Due [Member] Net derivative assets (liabilities) Derivative Asset (Liability) Net, Measurement Input Depositary Shares, each representing a 1/1,000th interest in a share of Floating Rate Non-Cumulative Preferred Stock, Series E Series E Preferred Stock [Member] Retirement Repayments of Long-Term Debt Municipal Bond Trusts and CDOs Municipal Bonds And Collateralized Debt Obligation [Member] Municipal Bonds And Collateralized Debt Obligation Marketable Securities Marketable Securities [Table Text Block] Gross Derivative Liabilities Derivative Liability [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity method investments Equity Method Investments Equity Component [Domain] Equity Component [Domain] Measurement Input Type [Domain] Measurement Input Type [Domain] Total realized and unrealized gains (losses) included in Net Income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Price risk on commodity inventory Price Risk On Commodity Inventory [Member] Price Risk On Commodity Inventory Gross Unrealized Gains Other Debt Securities Carried at Fair Value, Gross Unrealized Gain Other Debt Securities Carried at Fair Value, Gross Unrealized Gain Total realized and unrealized gains (losses) included in Net Income Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Over Five Years Derivative Liability, Notional Amount, Greater Than Five Years Derivative Liability, Notional Amount, Greater Than Five Years Foreign exchange contracts Foreign exchange risk Foreign Exchange Contract [Member] Loans and leases, measured at fair value Loans and leases Loans Receivable, Fair Value Disclosure Expire After One Year Through Three Years Credit Extension Commitments, Notional Amount, Expiration After One Year Through Three Years Represents unfunded legally binding commitments, expiring after one year through three years of the balance sheet date. Such commitments consist of the entity committing to lend a specified amount to named borrowers at a certain interest rate, during a certain period and, usually, for a certain purpose. Proceeds from sales of loans originally classified as held for investment and instruments from related securitization activities Proceeds from Sale, Loan and Lease, Held-for-Investment AFS debt securities Debt Securities, Non-Agency Residential And Non-U.S. And Other Taxable Securities [Member] Debt Securities, Non-Agency Residential And Non-U.S. And Other Taxable Securities Adoption Date Trading Arrangement Adoption Date Depositary Shares, each representing a 1/1,200th interest in a share of Bank of America Corporation Floating Rate Non-Cumulative Preferred Stock, Series 4 Series 4 Preferred Stock [Member] Series Four Preferred Stock member. Counterparty Name [Domain] Counterparty Name [Domain] Principal Office, New York, NY Principal Office, New York, NY [Member] Principal Office, New York, NY Short-term borrowings Proceeds from Other Short-Term Debt Equity securities, fair value Equity Securities, FV-NI, Current Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Lease liabilities Operating Lease, Liability Fair Value Held-to-maturity, fair value Debt Securities, Held-to-Maturity, Fair Value Commodity Swaps Commodity Swap [Member] Commodity Swap [Member] Direct Financing Lease, Lease Income Direct Financing Lease, Lease Income [Table Text Block] Repurchases from securitization trusts Cash Flows Between Transferor and Transferee, Purchases of Previously Transferred Financial Assets Federal Reserve, Non-U.S. Central Banks And Other Banks Federal Reserve, Non-U.S. Central Banks And Other Banks [Member] Federal Reserve, Non-U.S. Central Banks And Other Banks Other financing activities, net Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Federal Funds Sold, Securities Borrowed or Purchased Under Agreements to Resell and Short-term Borrowings [Abstract] Securities Financing Agreements, Collateral and Restricted Cash [Abstract] Securities Financing Agreements, Collateral and Restricted Cash Short-term borrowings Interest Expense, Short-Term Borrowings Loans and leases Consumer and commercial loans Loans Receivable [Member] Commercial Commercial Commercial Portfolio Segment [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Equity risk Equity [Member] Unfunded capital contributions Investment Program, Proportional Amortization Method, Elected, Commitment Investment Proportional Amortization Method Elected Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Investment Proportional Amortization Method Elected Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Investment Proportional Amortization Method Elected Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Amortized Cost Other Debt Securities Carried at Fair Value, Amortized Cost, Excluding Accrued Interest, Before Allowance For Credit Loss Other Debt Securities Carried at Fair Value, Amortized Cost, Excluding Accrued Interest, Before Allowance For Credit Loss Letters of credit Letter of Credit [Member] Interest Rate Options Interest Rate Option [Member] Interest Rate Option [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Operating leases Operating Lease, Lease Income Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Securities Securities [Member] Securities Due after ten years, amount Held-to-maturity Securities, Debt Maturities, Rolling After Ten Years, Net Carrying Amount Held-to-maturity Securities, Debt Maturities, Rolling After Ten Years, Net Carrying Amount Foreign Exchange Options Foreign Exchange Option [Member] Weighted Average Weighted Average [Member] All Adjustments to Compensation All Adjustments to Compensation [Member] Decrease in provision for credit losses Financing Receivable, Excluding Accrued Interest, Increase (Decrease) In Credit Loss Expense (Reversal) Financing Receivable, Excluding Accrued Interest, Increase (Decrease) In Credit Loss Expense (Reversal) Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net loss in AOCI expected to be reclassified, after tax Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months, Net of Tax Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months, Net of Tax Consumer real estate Residential Portfolio Segment [Member] Pledging Purpose [Domain] Pledging Purpose [Domain] Loans held-for-sale Increase (Decrease) in Loan, Held-for-Sale Shareholders’ equity Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Fair Value, Option, Quantitative Disclosures [Line Items] Fair Value, Option, Quantitative Disclosures [Line Items] U.S. government-sponsored agency guaranteed US Government-sponsored Agency Guaranteed Debt Securities [Member] US Government-sponsored Agency Guaranteed Debt Securities [Member] Option-adjusted spread, fixed rate Measurement Input, Option-Adjusted Spread, Fixed Rate [Member] Measurement Input, Option-Adjusted Spread, Fixed Rate [Member] Non-U.S. securities Debt Security, Corporate, Non-US [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Commodities volatilities Measurement Input, Volatilities [Member] Measurement Input, Volatilities [Member] Other Commitments [Domain] Other Commitments [Domain] Time deposits placed and other short-term investments Time Deposits Placed And Other Short-Term Investments, Fair Value Disclosure Time Deposits Placed And Other Short-Term Investments, Fair Value Disclosure City Area Code City Area Code Foreclosed properties Gain (Loss) On Foreclosed Properties This represents the amount of gain (loss) recognized on foreclosed properties, still held as of the reporting date, measured at fair value on a nonrecurring basis. Financial Instruments Securities Borrowed, Subject To Master Netting Arrangement, Collateral, Obligation To Return Securities Securities Purchased under Agreements to Resell, Securities Borrowed, Collateral, Obligation to Return Securities Other Off-Balance Sheet, Credit Loss, Liability, Increase (Decrease) In Other Off-Balance Sheet, Credit Loss, Liability, Increase (Decrease) In Other Document Information [Table] Document Information [Table] Merchant Processing Servicers, Sponsored Entities Merchant Processing Servicers, Sponsored Entities [Member] Merchant Processing Servicers, Sponsored Entities [Member] Other card income Card Income, Other [Member] Card Income, Other [Member] Name Forgone Recovery, Individual Name Valuation Gain Loss on Derivatives, Gross [Abstract] Valuation Gain Loss on Derivatives, Gross [Abstract] Valuation Gain Loss on Derivatives, Gross [Abstract] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Recourse Status [Domain] Recourse Status [Domain] Entity [Domain] Entity [Domain] Due after five years through ten years, yield Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis, Average Yield Debt Securities Carried at Fair Value, Debt Maturities, Yield, after Five Through Ten Years Preferred stock issued (in shares) Preferred Stock, Shares Issued Other internal credit metrics Other Internal Credit Metrics [Member] Other Internal Credit Metrics [Member] Loans and leases Loans and Leases [Member] Loans and Leases Due in one year or less, amount Debt Maturities, Next Rolling Twelve Months, Fair Value Debt Securities Carried at Fair Value, Debt Maturities, Within One Year, Fair Value Interest income Total interest income Interest and Dividend Income, Operating Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Due after Ten Years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 Employee benefit plan adjustments Employee benefit plan adjustments Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Legally binding unfunded commitments syndicated Credit Extension Commitments, Notional Amount, Distributions To Other Financial Institutions Legally binding unfunded commitments distributed to other financial institutions. Net increase (decrease) in fair value Other Comprehensive Income (Loss), before Reclassifications, before Tax Redemption Payments for Repurchase of Preferred Stock and Preference Stock Other assets Increase (Decrease) in Other Operating Assets Loans and lease receivable, securities based lending Financing Receivable, Securities Based Lending Overcollateralized Financing Receivable, Securities Based Lending Overcollateralized Equity method investments, unfunded commitments Equity Method Investments, Unfunded Commitments Equity Method Investments, Unfunded Commitments Derivative liability subject to unilateral termination upon downgrade, second incremental notch Derivative, Net Liability Position, Effect Of Downgrade By Second Incremental Notch, Aggregate Fair Value, Including Triggering Circumstance Derivative, Net Liability Position, Effect of Downgrade by Second Incremental Notch, Aggregate Fair Value, Including Triggering Circumstance Deposits Increase (Decrease) in Deposits Trading inventory – other Trading Inventory - Other [Member] Trading Inventory - Other [Member] Due after Five Years through Ten Years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 5 through 10 Amounts Offset Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, Offset Securities Financing Agreements Liability, Other, Subject To Master Netting Arrangement, Offset Measurement Basis [Axis] Measurement Basis [Axis] Cumulative funding valuation adjustment Derivative Funding Risk Valuation Adjustment, Derivative Assets Derivative Funding Risk Valuation Adjustment, Derivative Assets Less: Legally enforceable master netting agreements Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Common stock repurchased (in shares) Common stock repurchased (in shares) Stock Repurchased and Retired During Period, Shares Bank of America, N.A. and subsidiaries Subsidiaries, Bank of America, N.A. [Member] Subsidiaries, Bank of America, N.A. [Member] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Total retained positions Investments Subsequent Event Type [Domain] Subsequent Event Type [Domain] Gross charge-offs, Revolving Loans Gross charge-offs, Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Debt Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Valuation Adjustments on Derivatives Valuation Adjustments on Derivatives [Table Text Block] [Table Text Block] for Valuation Adjustments on Derivatives [Table] Derivative assets/liabilities (FVA) Funding Valuation Gain (Loss) On Derivative Asset, Gross Funding Valuation Gain (Loss) On Derivative Asset, Gross Credit card Credit Card Receivable [Member] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Carrying Value of Credit-related Notes Carrying Value of Credit-Related Notes [Abstract] Carrying Value of Credit-Related Notes [Abstract] Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Card income and service charges Fees and Commissions, Mortgage Banking and Servicing Liabilities Liabilities, Fair Value Disclosure [Abstract] Cash flow hedges Cash Flow Hedging [Member] Three to Five Years Derivative Liability, Fair Value, Gross Liability Including Not Subject To Master Netting Arrangement, Expiration From Three To Five Years Derivative Liability, Fair Value, Gross Liability Not Subject to Master Netting Arrangement, Expiration From Three To Five Years Long-dated equity volatilities Measurement Input, Long-Dated Equity Volatilities [Member] Measurement Input, Long-Dated Equity Volatilities [Member] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Over Five Years Credit Derivative, Maximum Exposure, Greater Than Five Years Credit Derivative, Maximum Exposure, Greater Than Five Years Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Debt Maturities, Fair Value, Rolling Maturity [Abstract] Debt Securities Carried at Fair Value, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Weighted-average duration Financing Receivable, Modified, Weighted-Average Term Increase from Modification Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Premises and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Cash proceeds from new securitizations Cash Flows Between Transferor and Transferee, Proceeds from New Transfers Gains (losses) in OCI Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) Due in one year or less, amount Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis Debt Securities Carried at Fair Value, Debt Maturities, Within One Year, Amortized Cost Basis Financial Instruments [Domain] Financial Instruments [Domain] Originated four years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Collateral posted subject to unilateral termination upon downgrade, second incremental notch Collateral Posted, Effect of Downgrade by Second Incremental Notch, Aggregate Fair Value, Including Triggering Circumstance Collateral Posted, Effect of Downgrade by Second Incremental Notch, Aggregate Fair Value, Including Triggering Circumstance Leases Lessor, Sales-type Leases [Text Block] Derivative assets Derivative assets Derivative Asset Investment Concentration Risk Investment Concentration Risk [Member] Investment Concentration Risk Goodwill and Intangible Assets Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Proceeds from sales and paydowns of loans originally classified as LHFS Proceeds from Sale and Collection, Loan, Held-for-Sale Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Net Interest Income and Noninterest Income Revenue from Contract with Customer [Text Block] Issuance of preferred stock Stock Issued During Period, Value, New Issues Other assets Financial Instrument, Other [Member] Netting adjustments Federal Funds Sold And Securities Borrowed Or Purchased Under Agreements To Resell, Fair Value, Offset Federal Funds Sold And Securities Borrowed Or Purchased Under Agreements To Resell, Fair Value, Offset Fair Value of Financial Instruments Financial Instruments Disclosure [Text Block] Preferred Stock Preferred Stock [Member] Other investing activities, net Payment for (Proceeds from) Other Investing Activity 30–89 Days Past Due Financial Asset, 30 To 89 Days Past Due [Member] Financial Asset, 30 To 89 Days Past Due Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] Segment Reporting [Table] Segment Reporting [Table] Modifications in period Total Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount Home equity Home Equity Loan [Member] Provision for credit losses Provision for credit losses Financing Receivable, Excluding Accrued Interest, And Off-Balance Sheet Liability, Credit Loss Provision (Reversal) Financing Receivable, Excluding Accrued Interest, And Off-Balance Sheet Liability, Credit Loss Provision (Reversal) Reserve for unfunded lending commitments, beginning balance Reserve for unfunded lending commitments, ending balance Off-Balance-Sheet, Credit Loss, Liability Supplemental Information for Lessee Arrangements Lease, Cost [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Balance, beginning Balance, ending Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Less than Twelve Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Residential Mortgage - Agency Agency Residential Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Residential Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Greater than or equal to 740 Refreshed FICO, Score Greater Than Or Equal To 740 [Member] Refreshed FICO, Score Greater Than Or Equal To 740 Current Fiscal Year End Date Current Fiscal Year End Date Collateral posted subject to unilateral termination upon downgrade, one incremental notch Collateral Posted, Effect Of Downgrade By One Incremental Notch, Aggregate Fair Value, Including Triggering Circumstances Collateral Posted, Effect Of Downgrade By One Incremental Notch, Aggregate Fair Value, Including Triggering Circumstances Other gross derivative liabilities Derivative Liability, Not Subject to Master Netting Arrangement Debt securities carried at fair value: Debt Securities Carried at Fair Value [Abstract] Debt Securities Carried at Fair Value [Abstract] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Provision for loan and lease losses Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Derivative [Line Items] Derivative [Line Items] Depositary Shares, each representing a 1/1,000th interest in a share of 4.375% Non-Cumulative Preferred Stock, Series NN Series NN Preferred Stock [Member] Series NN Preferred Stock Investment VIEs and Leveraged Lease Trusts Investment Vehicles And Leveraged Lease Trusts [Member] Investment Vehicles And Leveraged Lease Trusts Card Income, Interchange Fees and Merchant Income Card Income, Interchange Fees and Merchant Income [Member] Card Income, Interchange Fees and Merchant Income Information processing and communications Communications and Information Technology Three to Five Years Derivative Liability, Notional Amount, Expiration From Three to Five Years Derivative Liability, Notional Amount, Expiration From Three to Five Years Derivative assets, after netting Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Depositary Shares, each representing a 1/1,000th interest in a share of 5.375% Non-Cumulative Preferred Stock, Series KK Series KK Preferred Stock [Member] Series KK Preferred Stock [Member] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends per share (in dollars per share) Dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Pretax loss in accumulated OCI AOCI before Tax, Attributable to Parent Entity File Number Entity File Number Resale And Forward-Dated Resale And Securities Borrowing Agreements And Forward-Dated Repurchase And Securities Lending Agreements Resale And Forward-Dated Resale And Securities Borrowing Agreements And Forward-Dated Repurchase And Securities Lending Agreements [Member] Resale And Forward-Dated Resale And Securities Borrowing Agreements And Forward-Dated Repurchase And Securities Lending Agreements Expected Maturity Distribution Investments Classified by Contractual Maturity Date [Table Text Block] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Consumer Banking Consumer Banking Segment [Member] Consumer Banking Segment [Member] Measure: Measure [Axis] Trading Activities, Gain and Losses, by Type, by Income Statement Location [Table] Trading Activity, Gain (Loss) [Table] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Non-agency residential MBS Non-agency Residential [Member] Non-agency Residential. Credit Derivatives Contract Type [Domain] Credit Derivatives Contract Type [Domain] Derivative liability subject to unilateral termination upon downgrade, one incremental notch Derivative, Net Liability Position, Effect Of Downgrade By One Incremental Notch, Aggregate Fair Value, Including Triggering Circumstance Derivative, Net Liability Position, Effect Of Downgrade By One Incremental Notch, Aggregate Fair Value, Including Triggering Circumstance Purchases Payment for Acquisition, Loan and Lease, Held-for-Investment Equity Components [Axis] Equity Components [Axis] Other general operating Other Cost and Expense, Operating Related Party Related Party [Member] Gross Transfers into Level 3  Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 Schedule of Credit Derivatives [Table] Credit Derivative [Table] Entity Interactive Data Current Entity Interactive Data Current Price Measurement Input, Offered Price [Member] Other taxable securities Other taxable securities Other Taxable Securities [Member] Other Taxable Securities. Collateral not yet posted Collateral Not Yet Posted, Aggregate Fair Value The aggregate fair value of assets that are not yet posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. Entity Small Business Entity Small Business Available-for-sale securities from discontinued hedging relationships cumulative decrease Hedged Asset, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Cumulative credit valuation adjustment Derivative Credit Risk Valuation Adjustment, Derivative Assets Shares repurchased under employee stock plans to satisfy withholding obligations (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Securities loaned Securities Loaned Securities Loaned, Including Not Subject to Master Netting Arrangement and Assets other than Securities Transferred Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Transactions processed by sponsored entities Merchant Services, Transactions Processed And Settled By Sponsored Entities The amount of merchant services transactions processed and settled by sponsored merchant processing servicers that process credit and debit card transactions on behalf of various merchants. Investment Vehicles Investment Vehicles [Member] Investment Vehicles [Member] Depositary Shares, each representing a 1/1,000th interest in a share of 4.750% Non-Cumulative Preferred Stock, Series SS Series SS Preferred Stock [Member] Series SS Preferred Stock Loans held-for-sale Gains (Losses) On Loans Held For Sale This represents the amount of gain (loss) recognized on LHFS, still held as of the reporting date, measured at fair value on a nonrecurring basis. Deposits in non-U.S. offices: Deposits, Foreign [Abstract] Net interest income Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Document Type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Written options Short [Member] Summary of Significant Accounting Principles Significant Accounting Policies [Text Block] Greater than 100 percent Debt To Value, Greater Than Hundred Percent [Member] Debt To Value, Greater Than Hundred Percent [Member] Due after one year through five years, yield Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis, Average Yield Debt Securities Carried at Fair Value, Debt Maturities, Yield, after One Through Five Years Accrued expenses and other liabilities Accrued Expenses And Other Liabilities, Fair Value Disclosure Carrying amount as of the balance sheet date of liabilities not otherwise specified in the taxonomy. Also, serves as the sum of liabilities not individually reported in the financial statements, or not separately disclosed in the notes. Small Business Card Loans Small Business Card Loans [Member] Small Business Card Loans [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Proceeds from issuance Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Rewards, rebates and compensation expense Rewards And Rebates Expense And Labor And Related Expense Rewards And Rebates Expense And Labor And Related Expense Terminated cash flow hedges, period forecasted transaction recognized in interest income (in years) Terminated Cash Flow Hedges, Length of Time Over Which Forecasted Transactions Are Recognized In Interest Income Terminated Cash Flow Hedges, Length of Time Over Which Forecasted Transactions Are Recognized In Interest Income Liquidity commitments to unconsolidated securitization trusts Qualitative And Quantitative Information, Transferor's Continuing Involvement, Liquidity Commitment This represents the Corporation's liquidity commitments to unconsolidated securitization trusts, by asset backed financing arrangements. Additional collateral required to be posted upon downgrade, one incremental notch Additional Collateral, Effect Of Downgrade By One Incremental Notch, Aggregate Fair Value Additional Collateral, Effect Of Downgrade By One Incremental Notch, Aggregate Fair Value Net investment hedges Net Investment Hedging [Member] Effect of Fair Value Hedges on Results of Operations [Abstract] Effect of Fair Value Hedges on Results of Operations [Abstract] Net change in: Increase (Decrease) in Operating Assets [Abstract] Net change Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Global Banking Global Banking Segment [Member] Global Commercial Banking provides a wide range of lending-related products and services, integrated working capital management and treasury solutions to clients through the Corporation’s network of offices and client relationship teams along with various product partners. Clients include business banking and middle-market companies, commercial real estate firms and governments, and are generally defined as companies with sales up to $2 billion. Lending products and services include commercial loans and commitment facilities, real estate lending, asset-based lending and indirect consumer loans. Capital management and treasury solutions include treasury management, foreign exchange and short-term investing options. Pledged Status [Domain] Pledged Status [Domain] Nonrecourse Nonrecourse [Member] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Standby letters of credit and financial guarantees Financial Standby Letter of Credit [Member] Commitments and contingencies (Note 6 – Securitizations and Other Variable Interest Entities and Note 10 – Commitments and Contingencies) Commitments and Contingencies Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Federal funds purchased and securities loaned or sold under agreements to repurchase Federal Funds Purchased and Securities Sold under Agreements to Repurchase [Member] Executive Category: Executive Category [Axis] Preferred stock, $0.01 par value; authorized – 100,000,000 shares; issued and outstanding – 3,951,164 and 3,991,164 shares Preferred Stock, Redeemable And NonRedeemable, Value Aggregate par or stated value of issued nonredeemable and redeemable preferred stock (including Series T which may be exercised, at the option of the holder, through tendering the Series T Preferred Stock or paying cash). Counterparty Name [Axis] Counterparty Name [Axis] Other Commitments [Table] Other Commitments [Table] Unemployment rate, current economic outlook (just below) Unemployment Rate, Current Economic Outlook Unemployment Rate, Current Economic Outlook Loans held-for-sale, measurement input Loan, Held-for-Sale, Measurement Input Exchange-traded Exchange Traded [Member] Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Residential Mortgage With No Related Allowance Residential Mortgage With Negative Allowance [Member] Residential Mortgage With Negative Allowance [Member] Decrease in provision for credit losses Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) Gains (Losses) in Income Reclassified from Accumulated OCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Total Credit Derivative, Maximum Exposure, Undiscounted PEO Name PEO Name Accrued expenses and other liabilities (includes $4,830 and $8,996 measured at fair value and $1,150 and $1,177 of reserve for unfunded lending commitments) Accrued Liabilities and Other Liabilities Short-term borrowings (includes $11,431 and $8,051 measured at fair value) Short-term borrowings (includes $0 and $0 of non-recourse short-term borrowings) Other Short-Term Borrowings Derivatives Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Underwriting income Investment Banking Income, Underwriting Income [Member] Investment Banking Income, Underwriting Income [Member] Entity Tax Identification Number Entity Tax Identification Number Cash and due from banks Cash and Due from Banks Schedule of Loans and Leases Outstanding Financing Receivable, Past Due [Table Text Block] Current Financial Asset, Not Past Due [Member] Gains (Losses) Recognized in Accumulated OCI on Derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Other Commitments [Line Items] Other Commitments [Line Items] Loans and leases repurchase activity Financing Receivable, Repurchased Financing Receivable, Repurchased Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Subprime Subprime Loan [Member] Subprime Loan [Member]. Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Equity contracts Equity Contract [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Discounted cash flow, Market comparables Valuation Technique, Discounted Cash Flow And Market Approach [Member] Valuation, Income and Market Approach [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Total investment banking fees Investment Banking Fees [Member] Investment Banking Fees [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Amortization of stock-based compensation Share-Based Payment Arrangement, Noncash Expense Assets Fair Value, Option, Aggregate Differences, Assets Fair Value, Option, Aggregate Differences, Assets Due after one year through five years, amount Debt Maturities, Rolling Year Two Through Five, Fair Value Debt Securities Carried at Fair Value, Debt Maturities, after One Through Five years, Fair Value Interest expense Interest Expense, Operating and Nonoperating [Abstract] Compensation and benefits Labor and Related Expense Credit Score, FICO [Domain] Credit Score, FICO [Domain] U.S. gross domestic product, current economic outlook (as a percent) Allowance For Credit Losses, United States Gross Domestic Product, Current Economic Outlook Allowance For Credit Losses, United States Gross Domestic Product, Current Economic Outlook Purchased options Long [Member] Stockholders' Equity, Total Stockholders' Equity, Total [Member] Home Equity Line of Credit No Related Allowance Home Equity Line of Credit With Negative Allowance [Member] Home Equity Line of Credit With Negative Allowance [Member] Proceeds from paydowns and maturities Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Short-term borrowings Short-Term Debt [Member] Earnings (in dollars per share) Earnings per common share (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Price risk on forecasted MBS purchases Price Risk On Forecasted MBS Purchases [Member] Price Risk On Forecasted MBS Purchases Insider Trading Arrangements [Line Items] Investment banking fees Investment Banking Revenue Short-term borrowings, measured at fair value Short-term borrowings Short-Term Debt, Fair Value Mortgage trading loans and ABS Mortgage Trading Loans And Asset-Backed Securities [Member] Mortgage Trading Loans And Asset-Backed Securities Schedule of Derivative Instruments Included in Trading Activities Schedule of Derivative Instruments Included in Trading Activities [Table Text Block] Loans with formal foreclosure proceeding in process Financing Receivable, Loans With Formal Foreclosure Proceeding In Process Financing Receivable, Loans With Formal Foreclosure Proceeding In Process Gross charge-offs, Total Revolving Loans And Revolving Loans Converted to Term Loans Financing Receivable, Excluding Accrued Interest, Revolving And Revolving Converted To Term Loan, Writeoff Financing Receivable, Excluding Accrued Interest, Revolving And Revolving Converted To Term Loan, Writeoff Hedged liability, long-term debt, cumulative fair value adjustments Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) Interest rate risk on mortgage activities Interest Rate Risk On Mortgage Activities [Member] Interest Rate Risk On Mortgage Activities [Member] Net change in debt securities Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Commodity contracts Commodity Contract [Member] Purchases Payments To Acquire Debt Securities Carried At Fair Value The cash outflow to acquire debt securities carried at fair value, because they are not classified as either held-to-maturity securities or trading securities. Residential and Commercial Portfolio Segments Residential and Commercial Portfolio Segments [Member] Residential and Commercial Portfolio Segments [Member] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Recoveries of loans and leases previously charged off Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Global Markets Global Markets Segment [Member] Global Markets provides financial products, advisory services, financing, securities clearing, settlement and custody services globally to institutional investor clients in support of their investing and trading activities. Global Markets also works with commercial and corporate clients to provide debt and equity underwriting and distribution capabilities, merger-related and other advisory services, and risk management products using interest rate, equity, credit, currency and commodity derivatives, foreign exchange, fixed-income and mortgage-related products. As a result of the Corporation’s market-making activities in these products, it may be required to manage positions in government securities, equity and equity-linked securities, high-grade and high-yield corporate debt securities, commercial paper, MBS and ABS. Corporate banking services provide a wide range of lending-related products and services, integrated working capital management and treasury solutions to clients through the Corporation’s network of offices and client relationship teams along with various product partners. Corporate clients are generally defined as companies with sales greater than $2 billion. Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Tax effect Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Parenthetical Disclosure [Abstract] Gross charge-offs, Originated in fiscal year before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Concentration risk (more than) Concentration Risk, Percentage Equity Awards Adjustments Equity Awards Adjustments [Member] Open cash flow hedge, forecasted transactions hedging period (in years) Open Cash Flow Hedges, Length of Time Over Which Forecasted Transactions Are Substantially Hedged Open Cash Flow Hedges, Length of Time Over Which Forecasted Transactions Are Substantially Hedged 7.25% Non-Cumulative Perpetual Convertible Preferred Stock, Series L Series L Preferred Stock Series L Preferred Stock [Member] Series L Preferred Stock Member. Federal funds sold and securities borrowed or purchased under agreements to resell (includes $217,206 and $185,491 measured at fair value) Federal Funds Sold and Securities Purchased under Agreements to Resell Additional gain, losses and other returns Investment Program, Proportional Amortization Method, Elected, Gains (Loss) And Other Returns Investment Program, Proportional Amortization Method, Elected, Gains (Loss) And Other Returns Hedging Relationship [Domain] Hedging Relationship [Domain] Prepayment speed Measurement Input, Prepayment Rate [Member] Other interest income Interest Income, Other Debt and Equity Security Commitments Debt and Equity Security Commitments [Member] Debt and Equity Security Commitments Mortgage trading loans and ABS Loans [Member] Trading account assets Interest and Fee Income, Loans, Trade Financing Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Overnight and Continuous Maturity Overnight and on Demand [Member] Proceeds from issuance Proceeds from Issuance of Preferred Stock and Preference Stock Pass rated Pass [Member] Gross charge-offs, Revolving Loans Converted to Term Loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Geographic Distribution [Domain] Geographic Distribution [Domain] Debt securities Interest Income, Debt Securities, Operating Principal balance outstanding Continuing Involvement with Transferred Financial Assets, Principal Amount Outstanding Federal funds sold and securities borrowed or purchased under agreements to resell Federal Funds Sold and Securities Borrowed or Purchased under Agreements to Resell [Member] Other debt securities carried at fair value – Non-agency residential MBS Other debt securities carried at fair value - Non-agency residential Other Debt Obligations [Member] Purchased credit derivatives: Credit Default Swap, Buying Protection [Member] Hedged asset, available-for-sale debt securities, cumulative fair value adjustments Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) Resecuritization Trusts and Customer VIEs Resecuritization Trusts And Customer Variable Interest Entity [Member] Resecuritization Trusts And Customer Variable Interest Entity Loans held-for-sale Loans held-for-sale Loans Held-for-Sale [Member] Loans Held-for-Sale [Member] Gross Realized Gains (Losses) on Sales of Available For Sale Debt Schedule of Realized Gain (Loss) [Table Text Block] Carrying Value of Credit Derivatives Carrying Value of Derivatives [Abstract] Carrying Value of Derivatives [Abstract] Preferred stock authorized (in shares) Preferred Stock, Shares Authorized Due after five years through ten years, amount Held-To-Maturity Securities, Debt Maturities, Rolling Year Six Through Ten, Net Carrying Amount Held-To-Maturity Securities, Debt Maturities, Rolling Year Six Through Ten, Net Carrying Amount Commercial Commercial Mortgage Commercial Mortgage-Backed Securities [Member] Remaining Contractual Maturity Class of Collateral Pledged Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items] Series DD Preferred Stock Series DD Preferred Stock [Member] Series DD Preferred Stock Industry standard derivative pricing Valuation Technique, Industry Standard Derivative Pricing [Member] Valuation Technique, Industry Standard Derivative Pricing [Member] Hedging Designation [Domain] Hedging Designation [Domain] Percentage of outstandings Financing Receivable, Percent Past Due Class of Stock [Domain] Class of Stock [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Trading Activity, Gains and Losses, Net [Line Items] Trading Activity, Gains and Losses, Net [Line Items] Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales Power forward price Measurement Input, Power Forward Price [Member] Measurement Input, Power Forward Price Other commitments Other Commitment Income tax expense Income Tax Expense (Benefit), Full Tax Equivalent Basis The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations and derived on a full tax equivalent basis (an adjustment for tax exempt income). Other assets, primarily MSRs and tax-related equity investments Other Assets, Measurement Input Other Assets, Measurement Input Price risk on certain compensation plans Deferred Compensation Hedges [Member] Deferred Compensation Hedges [Member] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total Credit Card as of June 30, 2026 Financing Receivable, Excluding Accrued Interest, Revolving And Revolving Converted To Term Loan Financing Receivable, Excluding Accrued Interest, Revolving And Revolving Converted To Term Loan Pricing model Valuation Technique, Pricing Model [Member] Valuation Technique, Pricing Model Trial Modifications Trial Modifications [Member] Trial Modifications [Member] Real estate acquired through foreclosure Real Estate Acquired Through Foreclosure Forbearance Program Forbearance Program [Member] Forbearance Program Over Five Years Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement, Expiration Greater Than Five Years Derivative Liability, Fair Value, Gross Liability Not Subject to Master Netting Arrangement, Expiration Greater Than Five Years Increase (decrease) in net charge-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff (Recovery), Period Increase (Decrease) Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff (Recovery), Period Increase (Decrease) Depositary Shares, each representing a 1/1,200th interest in a share of Bank of America Corporation Floating Rate Non-Cumulative Preferred Stock, Series 5 Series 5 Preferred Stock [Member] Series Five Preferred Stock member. Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Tax credits and other benefits Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization Expense Entity Filer Category Entity Filer Category Total Debt Securities, Available-for-Sale, Unrealized Loss Position Offsetting Liabilities Offsetting Liabilities [Table Text Block] Foreign Exchange Swaps Currency Swap [Member] FNMA Federal National Mortgage Association (FNMA) [Member] Greater than 90 Days Maturity Greater than 90 Days [Member] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] Trading and Other Risk Management Derivatives Not Designated as Hedging Instrument [Member] Representations and Warranties Obligations and Corporate Guarantees Representations And Warranties Obligations And Corporate Guarantees [Member] Representations and Warranties Obligations and Corporate Guarantees [Member] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Number of contractual agreements Number Of Contractual Agreements With Maturities Exceeding Three Years Number Of Contractual Agreements With Maturities Exceeding Three Years Change in unrealized gains (losses) in net income related to financial instruments still held Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Commodity Options Commodity Option [Member] Gains (losses) on securitizations Securitization or Asset-Backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale, Gain (Loss) on Sale Loan Purchase Commitments Loan Purchase Commitments [Member] Total Credit Extension Commitments, Notional Amount Represents unfunded legally binding commitments. Such commitments consist of the entity committing to lend a specified amount to named borrowers at a certain interest rate, during a certain period and, usually, for a certain purpose. Depositary Shares, each representing a 1/1,200th interest in a share of Bank of America Corporation Floating Rate Non-Cumulative Preferred Stock, Series 1 Series 1 Preferred Stock [Member] Series 1 Preferred Stock [Member] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Derivative liabilities Derivative liabilities Derivative Liability Net Assets/Liabilities Securities Sold, Subject To Master Netting Arrangement, Amount Offset Against Collateral Securities Sold under Agreements to Repurchase, Securities Loaned, Amount Offset Against Collateral Deposits in U.S. offices: Deposits in U.S. offices: Deposits, Domestic [Abstract] Investments, Debt And Equity Securities [Table] Investments, Debt And Equity Securities [Table] Investments, Debt And Equity Securities Entity Address, Address Line One Entity Address, Address Line One Lien Category [Domain] Lien Category [Domain] Income tax expense Income Tax Expense (Benefit) Renewable Energy Investments Renewable Energy Investments [Member] Renewable Energy Investments Derivative Liability Subject to Unilateral Termination Upon Downgrade Schedule Of Derivative Liabilities Subject To Unilateral Termination Upon Downgrade [Table Text Block] Schedule Of Derivative Liabilities Subject To Unilateral Termination Upon Downgrade Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Principles of Consolidation Consolidation, Policy [Policy Text Block] Total gross charge-offs Loans and leases charged off Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Federal funds sold and securities borrowed or purchased under agreements to resell measured at fair value Federal funds sold and securities borrowed or purchased under agreements to resell Federal Funds Sold and Securities Borrowed or Purchased under Agreements to Resell, Fair Value Disclosure Consolidated VIEs Variable Interest Entity, Primary Beneficiary [Member] Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Discounted cash flow Valuation Technique, Discounted Cash Flow [Member] Statement [Table] Statement [Table] Interest rate risk Income Interest Rate [Member] Trading in a derivative or nonderivative instrument that provides a return in the form of periodic payments of interest and eventual return of principal at maturity. Option-adjusted spread, variable rate Measurement Input, Option-Adjusted Spread, Variable Rate [Member] Measurement Input, Option-Adjusted Spread, Variable Rate [Member] Interest-bearing Interest-Bearing Deposit Liabilities, Foreign Originated in fiscal year before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Schedule of Financing Receivables, Non Accrual Status Financing Receivable, Nonaccrual [Table Text Block] Instruments backed by residential real estate assets Asset-Backed Financial Instruments, Collateralized By Residential Real Estate, Measurement Input Asset-Backed Financial Instruments, Collateralized By Residential Real Estate, Measurement Input Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Total gross derivative assets, before netting Derivative Asset, Subject to Master Netting Arrangement, before Offset Issuances Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Issues Geographic Distribution [Axis] Geographic Distribution [Axis] Loans held for sale, measured at fair value Loans held-for-sale Loan, Held-for-Sale, Fair Value Disclosure Balance, beginning Balance, ending Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Home Equity Loans and Reverse Mortgages Home Equity Loan And Reverse Mortgages [Member] Home Equity Loan And Reverse Mortgages [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]