EBP 013 EBP 013 [Member] EBP 013 Entity tax identification number Entity Tax Identification Number Total investments at fair value EBP, Investment, Fair Value Rollover contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Target date funds EBP, Target Date Funds [Member] EBP, Target Date Funds Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] International equities EBP, International Equities [Member] EBP, International Equities Administrative Expenses EBP, Administrative Expenses [Text Block] EBP, Administrative Expenses EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Self-directed brokerage funds EBP, Self-Directed Brokerage Account [Member] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Maximum borrowing, amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Investments EBP, Investment, Fair Value and NAV [Text Block] Retirement Plan Type [Axis] Retirement Plan Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type Interest and dividends (net of investment expenses) EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Investment Income (Loss), after Investment Expense Maximum annual compensation to total compensation, percentage EBP, Participant Contribution, Maximum Annual Compensation to Total Compensation, Percentage EBP, Participant Contribution, Maximum Annual Compensation to Total Compensation, Percentage Money market funds Money Market Funds [Member] Plan Interest EBP, Nonconsolidated, Plan Interest in Master Trust [Member] Level 1 Fair Value, Inputs, Level 1 [Member] 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 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] Payment of Benefits EBP, Payment to Participant [Policy Text Block] EBP, Master Trust [Line Items] EBP, Master Trust [Line Items] Administrative fees payable EBP, Liability Amendment Flag Amendment Flag Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution Basis of Presentation EBP, Basis of Accounting [Policy Text Block] Due from brokers for securities sold EBP, Investment Sale, Receivable EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Plan interest in Macy's, Inc. Defined Contribution Plans Master Trust EBP, Investment, Plan Interest in Master Trust, Fair and Contract Value EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] Administrative expense, salaries and benefits EBP, Administrative Expense, Salaries And Benefits EBP, Administrative Expense, Salaries And Benefits Pension Plan Pension Plan [Member] Investments [Domain] Investments [Domain] EBP, Administrative Expense [Abstract] EBP, Administrative Expense EBP, Master Trust [Abstract] Use of Estimates EBP, Use of Estimate [Policy Text Block] SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Employer EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Interest on participant loans EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Interest receivable EBP, Investment Income, Interest Receivable EBP, Investment Income, Interest Receivable EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Next 5% of Basic Savings EBP, Next 5% of Basic Savings [Member] EBP, Next 5% of Basic Savings Crediting interest rates, average yield EBP, Crediting Interest Rates, Average Yield EBP, Crediting Interest Rates, Average Yield Plan number EBP, Plan Number EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Description of the 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] 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] Macy's, Inc. common stock EBP, Employer, Common Stock [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Net dividend receivable EBP, Investment Income, Dividend Receivable EBP, Investment Income, Dividend Receivable Total additions EBP, Change in Net Asset Available for Benefit, Increase Participant loan, cost EBP, Asset Held for Investment, Participant Loan, Cost EBP, Asset Held for Investment, Participant Loan, Cost Administrative expenses Administrative expense EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Normal Retirement, Death or Disability EBP, Normal Retirement, Death or Disability [Member] EBP, Normal Retirement, Death or Disability Insurance contracts at contract value EBP, Investment, Contract Value Document Information [Line Items] Document Information [Line Items] EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Line Items] First 1% of Basic Savings EBP, First 1% of Basic Savings [Member] EBP, First 1% of Basic Savings EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Table] Interest in Master Trust EBP, Master Trust [Text Block] Realized gains EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Realized Gain (Loss) on Investment Participant compensation matched, percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Requisite service period EBP, Requisite Service Period EBP, Requisite Service Period EBP, Tax Status [Table] EBP, Tax Status [Table] Net increase in net assets EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Related Parties EBP, Related Party and Party-in-Interest Transactions [Text Block] Total investments EBP, Investment, Fair and Contract Value EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Total receivables EBP, Receivable Employer contributions EBP, Employer Contribution, Receivable Unrealized gains EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Unrealized Gain (Loss) on Investment Investments, at fair value: EBP, Investment, Fair Value [Abstract] Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Total assets at fair value Investments at fair value EBP, Investment, Plan Interest in Master Trust, Fair Value Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Insurance contract agreement, termination notice period EBP, Insurance Contract Agreement, Termination Notice Period EBP, Insurance Contract Agreement, Termination Notice Period EBP, Statement of Net Asset Available for Benefit [Abstract] Retirement Plan Type [Domain] Retirement Plan Type [Domain] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] EBP, Tax Status [Abstract] EBP, Employer, Common Stock Fund EBP, Employer, Common Stock Fund [Member] Employer Matching Contribution EBP, Employer Matching Contribution [Member] EBP, Employer Matching Contribution EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] Participant loan, current value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investments and Insurance Contracts EBP, Investment [Policy Text Block] EBP, Master Trust [Table] EBP, Master Trust [Table] Participant loans EBP, Participant Contribution, Receivable Employee contribution vesting percentage EBP, Employee Contribution Vesting Percentage EBP, Employee Contribution Vesting Percentage Document Type Document Type Entity Central Index Key Entity Central Index Key Participant loan, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate Vesting period EBP, Employer Contribution Vesting Service Period Minimum Vesting service period for company contribution and/ or investment earning to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions. EBP, Risk and Uncertainty [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] Deductions from net assets attributed to: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] 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 Schedule of Master Trust Net Assets EBP, Master Trust [Table Text Block] Plan Provisions, Amendments and Termination EBP, Description Of Plan Provisions, Amendments And Termination [Text Block] EBP, Description Of Plan Provisions, Amendments And Termination Liabilities EBP, Liability [Abstract] Domestic equities EBP, Domestic Equities [Member] EBP, Domestic Equities All loans, borrowing term EBP, Note Receivable From Participant, All Loans, Maximum Borrowing Term EBP, Note Receivable From Participant, All Loans, Maximum Borrowing Term Subsequent Events EBP, Subsequent Event [Policy Text Block] Federal Income Taxes EBP, Tax Status [Text Block] Maximum borrowing, to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Requisite service hours EBP, Requisite Service Hours EBP, Requisite Service Hours Legal Proceedings EBP, Contingency [Text Block] Concentration of investment at fair value to total investments, percentage EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Total Investments, Percentage Document Information [Table] Document Information [Table] Vesting percentage EBP, Employer Contribution Vesting Percentage Company contribution and/ or investment earning percentage vesting to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions, upon completion of minimum service period or attainment of maximum vesting age Participant Loans EBP, Note Receivable from Participant [Policy Text Block] Maximum contribution to eligible compensation, percentage EBP, Participant Contribution, Maximum Contribution to Eligible Compensation, Percentage EBP, Participant Contribution, Maximum Contribution to Eligible Compensation, Percentage Net investment income from Master Trust Investments 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] EBP, Plan Provisions, Amendments and Terminations [Abstract] EBP, Plan Provisions, Amendments and Terminations EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Trustee and management fees payable EBP, Trustee And Management Fees Payable EBP, Trustee And Management Fees Payable Net assets available for benefits Net assets available for benefits beginning of year Net assets available for benefits end of year EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Forfeited nonvested account EBP, Forfeited Nonvested Account Matching percentage EBP, Employer Contribution, Matching Percentage EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] Interest in master trust, percent EBP, Interest in Master Trust, Percentage Crediting interest rates, average rate EBP, Crediting Interest Rates, Average Rate EBP, Crediting Interest Rates, Average Rate EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items]