Entity Tax Identification Number Entity Tax Identification Number Rollover EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Total investments EBP, Investment, Fair Value Annual fixed rate employer contribution (as a percent) EBP, Employer Contribution, Annual Fixed Rate Contribution, Percentage EBP, Employer Contribution, Annual Fixed Rate Contribution, Percentage Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Mutual funds Mutual Fund [Member] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Participant maximum deductions to total compensation (as a percent) EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Participant loan, maximum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Accrued expenses EBP, Accrued Expense Investments, at fair value (Notes 2 and 5) Total non-Master Trust investments Investment in common stock EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Intern requisite service period EBP, Intern Requisite Service Period EBP, Intern Requisite Service Period Money market funds Money Market Funds [Member] Fixed maturity synthetic guaranteed investment contracts EBP, Fixed Maturity Synthetic Guaranteed Investment Contract [Member] EBP, Fixed Maturity Synthetic Guaranteed Investment Contract Plan Interest in Master Trust EBP, Nonconsolidated, Plan Interest in Master Trust [Member] Level 1 Fair Value, Inputs, Level 1 [Member] Term of withdrawal after rule of 60 EBP, Participant Vested Amount, Term of Withdrawal After Rule Of 60 EBP, Participant Vested Amount, Term of Withdrawal After Rule Of 60 Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] EBP, Investment, Fair Value and NAV [Abstract] Total assets EBP, Asset Assets EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Additions to net assets available for benefits attributed to: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Net transfers EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan EBP, Master Trust [Line Items] EBP, Master Trust [Line Items] Total liabilities EBP, Liability Employer contribution vesting (as a percent) EBP, Employer Contribution Vesting Percentage EBP, Employer Contribution Vesting Percentage Intern service computation periods EBP, Intern Requisite Service, Number Of Computation Periods EBP, Intern Requisite Service, Number Of Computation Periods Amendment Flag Amendment Flag Basis of Accounting EBP, Basis of Accounting [Policy Text Block] Participant loan, basis spread on prime rate (as a percent) EBP, Participant Loan, Basis Spread On Variable Rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Number of Shares/Units EBP, Investment, Number of Shares Annual increase in deferral rate (as a percent) EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate EBP, Description of Plan and Accounting Change [Abstract] Schedule of Fair Value Hierarchy EBP, Investment, Fair Value and NAV [Table Text Block] Investments [Domain] Investments [Domain] EBP, Master Trust [Abstract] Plan interest in the Stable Value Master Trust, at contract value (Note 4) EBP, Investment, Plan Interest in Master Trust, Contract Value Management Estimates EBP, Use of Estimate [Policy Text Block] Intern requisite service hours EBP, Intern Requisite Service Hours EBP, Intern Requisite Service Hours Schedule H, Line 4i - Schedule of Assets (Held at End of Year) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] EBP, Risk and Uncertainty EBP, Risk and Uncertainty [Text Block] Benefit obligations payable Add: Benefit obligations payable at end of year Less: Benefit obligations payable at beginning of year EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Allocation to Withdrawing Participant, Not yet Paid Employer Employer contributions, after consideration of forfeitures EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash EBP, Form 5500 Caption, Benefit Payment and Payments to Provide Benefits [Abstract] EBP, Form 5500 Caption, Benefit Payment and Payments to Provide Benefits [Abstract] Eligible withdrawal amount EBP, Vested Contributions, Eligible Withdraw Amount EBP, Vested Contributions, Eligible Withdraw Amount Minimum Minimum [Member] Accrued dividends and interest receivable EBP, Investment Income, Receivable Investment Type [Axis] Investment Type [Axis] Interest income on participant notes receivable EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Participant contribution vesting (as a percent) EBP, Participant Contribution Vesting Percentage EBP, Participant Contribution Vesting Percentage Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Collective Investment Funds, Lifepath Index Funds Collective Investment Funds, Lifepath Index Funds [Member] Collective Investment Funds, Lifepath Index Funds Interest and dividends EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] EBP, Plan Number EBP, Plan Number Other income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Other Investment Income (Loss) EBP, Form 5500 Caption, Net Income (Loss) [Abstract] EBP, Form 5500 Caption, Net Income (Loss) [Abstract] Participant loan, general loan, maximum borrowing term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Description of Plan EBP, Description of Plan [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] Adjustment from contract value to fair value for fully benefit-responsive investment contracts Adjustment from contract value to fair value for fully benefit-responsive investment contracts EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Contract Value to Current Value Adjustment Interest EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] Bank of America Common Stock EBP, Employer, Common Stock [Member] Constant duration synthetic guaranteed investment contracts EBP, Constant Duration Synthetic Guaranteed Investment Contracts [Member] EBP, Constant Duration Synthetic Guaranteed Investment Contracts EBP, Schedule of Asset Held for Investment [Abstract] EBP, Form 5500 Caption, Net Assets [Abstract] EBP, Form 5500 Caption, Net Assets [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Total additions EBP, Change in Net Asset Available for Benefit, Increase Short-term investment fund Short-Term Investments [Member] Investment, Identifier [Axis] Investment, Identifier [Axis] Investment in Master Trust, contract value EBP, Investment, Contract Value Document Information [Line Items] Document Information [Line Items] Participant loan, participant number of outstanding loans at any time EBP, Note Receivable From Participant, Maximum Number Of Outstanding Loans EBP, Note Receivable From Participant, Maximum Number Of Outstanding Loans EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Table] Intern requisite service hours during two consecutive periods EBP, Intern Requisite Service Hours For Two Computation Periods EBP, Intern Requisite Service Hours For Two Computation Periods Interest in the Stable Master Trust EBP, Master Trust [Text Block] Automatic deferral, opt out period EBP, Participant Contribution, Automatic, Deferral, Opt Out Period EBP, Participant Contribution, Automatic, Deferral, Opt Out Period Employer contributions matching (as a percent) EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Common and preferred stocks Equity Securities [Member] Collective investment funds Collective Investment Funds [Member] Collective Investment Funds Vesting service period EBP, Employer Contribution, Contribution Vesting Service Period EBP, Employer Contribution, Contribution Vesting Service Period Participant loan, primary residence loan, minimum borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Minimum Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Minimum Borrowing Term Total Plan interest in the Stable Value Master Trust investment income per Form 5500 EBP, Form 5500 Caption, Net Income (Loss) EBP, Tax Status [Table] EBP, Tax Status [Table] Net increase (decrease) Total Plan interest in the Stable Value Master Trust investment income per the financial statements EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Related Party Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] Total non-Master Trust investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment, Excluding Plan Interest In Master Trust EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment, Excluding Plan Interest In Master Trust EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Employer contribution receivable EBP, Employer Contribution, Receivable Automatic deferral rate (as a percent) EBP, Participant Contribution, Automatic, Deferral Rate Dividends earned EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Benefits paid to Plan participants Benefits paid to Plan participants per the financial statements EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment [Abstract] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Requisite service period EBP, Requisite Service Period EBP, Requisite Service Period Due to broker for securities purchased EBP, Liability for Investment Purchase EBP, Tax Status [Abstract] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] Other payables EBP, Other Liability Plan retirement age EBP, Plan Retirement Age EBP, Plan Retirement Age Plan interest in the Stable Value Master Trust investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Change in Plan Interest in Master Trust EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] Plan Expenses EBP, Expense [Policy Text Block] Benefits paid to Plan participants per Form 5500 EBP, Form 5500 Caption, Benefit Payment and Payments to Provide Benefits Reconciliation to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Participant loans EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] Participant loan, account reduction for outstanding loans, term of review prior to current loan EBP, Note Receivable From Participant, Account, Reduction To Maximum Borrowing Amount For Outstanding Loans, Period Before Loan Was Made EBP, Note Receivable From Participant, Account, Reduction To Maximum Borrowing Amount For Outstanding Loans, Period Before Loan Was Made EBP, Master Trust [Table] EBP, Master Trust [Table] Participant contribution receivable EBP, Participant Contribution, Receivable Total Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Document Type Document Type Plan Termination EBP, Plan Termination [Text Block] Insurance company separate account guaranteed investment contracts EBP, Insurance Company Separate Account Guaranteed Investment Contracts [Member] EBP, Insurance Company Separate Account Guaranteed Investment Contracts Entity Central Index Key Entity Central Index Key Investment management and other expenses EBP, Change in Net Asset Available for Benefit, Decrease from Investment Expense Number of alternative investments EBP, Investment Alternatives, Number Of Investments EBP, Investment Alternatives, Number Of Investments Participant loan interest rate (as a percent) EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] Net assets available for benefits Net assets: EBP, Net Asset Available for Benefit [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Risk and Uncertainty [Abstract] EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] Deductions to net assets available for benefits attributed to: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Participant notes receivable (Notes 1 and 2) EBP, Note Receivable from Participant Master Trust EBP, Nonconsolidated, Master Trust [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name Employer contribution vesting service period EBP, Employer Contribution Vesting Service Period EBP, Employer Contribution Vesting Service Period Schedule of Master Trust Net Assets and Changes in Net Assets EBP, Master Trust [Table Text Block] EBP, Subsequent Event [Abstract] Liabilities EBP, Liability [Abstract] Subsequent Events EBP, Subsequent Event [Text Block] Federal Income Tax Status EBP, Tax Status [Text Block] Participant loan, outstanding loans to vested account balance (as a percent) EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Line Items] EBP Plan No. 003 EBP 003 [Member] EBP 003 Document Information [Table] Document Information [Table] Plan participation period in order to withdraw EBP, Employer Contribution, Withdraw, Plan Participation Period EBP, Employer Contribution, Withdraw, Plan Participation Period Participant Notes Receivable EBP, Note Receivable from Participant [Policy Text Block] Net investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] Participant loan, general loan, minimum borrowing term EBP, Note Receivable From Participant, General Loan, Minimum Borrowing Term EBP, Note Receivable From Participant, General Loan, Minimum Borrowing Term EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Level 3 Fair Value, Inputs, Level 3 [Member] Other receivable EBP, Other Receivable Net assets available for benefits Beginning of year End of year Net assets available for benefits per the financial statements EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] Contributions (Note 1) EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Net assets available for benefits per Form 5500 EBP, Form 5500 Caption, Net Assets EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] Percentage interest in Master Trust (as a percent) EBP, Interest in Master Trust, Percentage Participant loan, primary residence loan, minimum borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items]