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[Member] Document Information [Table] Document Information [Table] All Individuals All Individuals [Member] Schedule of debt issuances Schedule of Debt Issuances [Table Text Block] Schedule of Debt Issuances [Table Text Block] Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Health and wellness Health and Wellness [Member] Health and Wellness [Member] Statement [Line Items] Statement [Line Items] Total assets Total assets Assets Canada Opioids Class Action Complaints Canada Opioids Class Action Complaints [Member] Canada Opioids Class Action Complaints Supplier Financing Program Obligations Supplier Financing Program Obligations [Policy Text Block] Supplier Financing Program Obligations Operating Segments Operating Segments [Member] 4.875% Notes Due 2029 4.875% Notes Due 2029 [Member] 4.875% Notes Due 2029 PEO PEO [Member] Balances as of February 1, 2026 Balances as of July 31, 2026 Debt, Long-Term and Short-Term, Combined 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net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] IEEPA Tariff Refund IEEPA Tariff Refund [Member] IEEPA Tariff Refund Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Net sales Net sales Revenue from Contract with Customer, Excluding Assessed Tax Membership and other income Other Income Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair Value Estimate of Fair Value Measurement [Member] Other Other [Member] Other [Member] Other investing activities Payment for (Proceeds from) Other Investing Activity Walmart International Walmart International Walmart International [Member] Walmart International is a business segment of Wal-Mart Stores, Inc. which includes the Company's operations outside the 50 United States and Puerto Rico Segment Reporting [Table] Segment Reporting [Table] Schedule of maturities of long-term debt Schedule of Maturities of Long-Term Debt [Table Text Block] Unrecognized tax benefits, reduction in interest on income tax expense Unrecognized Tax Benefits, Reduction In Interest On Income Tax Expense Unrecognized Tax Benefits, Reduction In Interest On Income Tax Expense Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Fair value of investments Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered 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& Selling General And Administrative Expenses For Fuel Sales Cost Of Revenue & Selling General And Administrative Expenses For Fuel Sales 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] Accrued liabilities Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Proceeds from issuance of long-term debt Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Canada CANADA Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Period to maintain certain practices and obligations Loss Contingency, Period to Maintain Certain Practices And Obligations Loss Contingency, Period to Maintain Certain Practices And Obligations Other (in shares) Stockholders' Equity, Other Shares Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies Commitments and Contingencies Total revenues Revenues Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] China CHINA LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST, AND SHAREHOLDERS' EQUITY Liabilities and 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Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic net income per common share attributable to Walmart (in dollars per share) Earnings Per Share, Basic Purchase of Company stock Payments for Repurchase of Common Stock Total current assets Assets, Current Insider Trading Arrangements [Line Items] Long-term debt Balances as of February 1, 2026 Balances as of July 31, 2026 Long-Term Debt, Excluding Current Maturities Cost of sales Cost of Revenue 5.750% Notes Due 2030 5.750% Notes Due 2030 [Member] 5.750% Notes Due 2030 Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Derivative Contract Type [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Total liabilities, redeemable noncontrolling interest, and shareholders' equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Reclassifications of long-term debt Amounts Reclassified to Long-term Debt, Current Maturities Amounts Reclassified to Long-term Debt, Current Maturities Nonredeemable noncontrolling interest Equity, Attributable to Noncontrolling Interest Latriece Watkins [Member] Latriece Watkins Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Debt investments Debt Securities, Trading Tabular List, Table Tabular List [Table Text Block] Repayments of long-term debt Repayments of Long-term Debt, Book Value, Current Maturities Repayments of Long-term Debt, Book Value, Current Maturities Capital in excess of par value Additional Paid in Capital Total Walmart Shareholders' Equity Parent [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Shareholders' equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] 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] Long-term debt Long-term Debt, Excluding Current Maturities [Roll Forward] Long-term Debt, Excluding Current Maturities [Roll Forward] General merchandise General Merchandise [Member] General Merchandise [Member] Receivables, net Receivables, Net, Current Adjustment to Compensation: Adjustment to Compensation [Axis] Domestic Line of Credit Domestic Line of Credit [Member] Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Fuel and other Fuel and Other [Member] Fuel and Other Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount 4.450% Debt, Due 2033 4.450% Debt, Due 2033 [Member] 4.450% Debt, Due 2033 Senior Unsecured Notes Senior Unsecured Notes [Member] Senior Unsecured Notes Name Measure Name Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Other operating activities Other Noncash Income (Expense) Debt Instrument [Line Items] Debt Instrument [Line Items] Proceeds from disposal of certain strategic investments Proceeds from Sale of Equity Securities, FV-NI Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Capital in Excess of Par Value Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent 3.050% Debt Due July 2026 3.050% Debt Due July 2026 [Member] 3.050% Debt Due July 2026 Company Selected Measure Amount Company Selected Measure Amount Equity and other securities, change in fair value, increase (decrease) Equity Securities, FV-NI, Unrealized Gain (Loss) 1.800% Notes Due 2031 1.800% Notes Due 2031 [Member] 1.800% Notes Due 2031 Consolidated net income Consolidated net income Consolidated net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Provision for income taxes Income Tax Expense (Benefit) Fair value hedging Fair Value Hedging [Member] Consolidated net income Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Award Timing Method Award Timing Method [Text Block] Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Grocery Grocery [Member] Grocery [Member] Five Year Credit Facility Five Year Credit Facility [Member] Five Year Credit Facility [Member] Consolidated net income attributable to Walmart Consolidated net income attributable to Walmart Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Proceeds from disposal of property and equipment Proceeds from Sale of Property, Plant, and Equipment Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Interest income Investment Income, Interest Revenues: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]