3.26.1 html 120 204 1 true 29 0 false 5 false false R1.htm 995200090 - Document - Document and Entity Information Sheet http://www.kroger.com/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 995200100 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.kroger.com/role/StatementConsolidatedStatementsOfOperations CONSOLIDATED STATEMENTS OF OPERATIONS Statements 2 false false R3.htm 995200200 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Sheet http://www.kroger.com/role/StatementConsolidatedStatementsOfComprehensiveIncome CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Statements 3 false false R4.htm 995200205 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) Sheet http://www.kroger.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeParenthetical CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) Statements 4 false false R5.htm 995200300 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.kroger.com/role/StatementConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS Statements 5 false false R6.htm 995200305 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.kroger.com/role/StatementConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 6 false false R7.htm 995200400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.kroger.com/role/StatementConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 995200500 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY Sheet http://www.kroger.com/role/StatementConsolidatedStatementOfChangesInShareholdersEquity CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY Statements 8 false false R9.htm 995200505 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREOWNERS' EQUITY (Parenthetical) Sheet http://www.kroger.com/role/StatementConsolidatedStatementsOfChangesInShareownersEquityParenthetical CONSOLIDATED STATEMENTS OF CHANGES IN SHAREOWNERS' EQUITY (Parenthetical) Statements 9 false false R10.htm 995210101 - Disclosure - ACCOUNTING POLICIES Sheet http://www.kroger.com/role/DisclosureAccountingPolicies ACCOUNTING POLICIES Notes 10 false false R11.htm 995210201 - Disclosure - DEBT OBLIGATIONS Sheet http://www.kroger.com/role/DisclosureDebtObligations DEBT OBLIGATIONS Notes 11 false false R12.htm 995210301 - Disclosure - BENEFIT PLANS Sheet http://www.kroger.com/role/DisclosureBenefitPlans BENEFIT PLANS Notes 12 false false R13.htm 995210401 - Disclosure - EARNINGS PER COMMON SHARE Sheet http://www.kroger.com/role/DisclosureEarningsPerCommonShare EARNINGS PER COMMON SHARE Notes 13 false false R14.htm 995210501 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.kroger.com/role/DisclosureCommitmentsAndContingencies COMMITMENTS AND CONTINGENCIES Notes 14 false false R15.htm 995210601 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Sheet http://www.kroger.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLoss ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Notes 15 false false R16.htm 995210701 - Disclosure - SEGMENT REPORTING Sheet http://www.kroger.com/role/DisclosureSegmentReporting SEGMENT REPORTING Notes 16 false false R17.htm 995210801 - Disclosure - INCOME TAXES Sheet http://www.kroger.com/role/DisclosureIncomeTaxes INCOME TAXES Notes 17 false false R18.htm 995210901 - Disclosure - RECENTLY ISSUED ACCOUNTING STANDARDS Sheet http://www.kroger.com/role/DisclosureRecentlyIssuedAccountingStandards RECENTLY ISSUED ACCOUNTING STANDARDS Notes 18 false false R19.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 19 false false R20.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 20 false false R21.htm 99920102 - Disclosure - ACCOUNTING POLICIES (Policies) Sheet http://www.kroger.com/role/DisclosureAccountingPoliciesPolicies ACCOUNTING POLICIES (Policies) Policies 21 false false R22.htm 99930203 - Disclosure - DEBT OBLIGATIONS (Tables) Sheet http://www.kroger.com/role/DisclosureDebtObligationsTables DEBT OBLIGATIONS (Tables) Tables http://www.kroger.com/role/DisclosureDebtObligations 22 false false R23.htm 99930303 - Disclosure - BENEFIT PLANS (Tables) Sheet http://www.kroger.com/role/DisclosureBenefitPlansTables BENEFIT PLANS (Tables) Tables http://www.kroger.com/role/DisclosureBenefitPlans 23 false false R24.htm 99930403 - Disclosure - EARNINGS PER COMMON SHARE (Tables) Sheet http://www.kroger.com/role/DisclosureEarningsPerCommonShareTables EARNINGS PER COMMON SHARE (Tables) Tables http://www.kroger.com/role/DisclosureEarningsPerCommonShare 24 false false R25.htm 99930603 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) Sheet http://www.kroger.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossTables ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) Tables http://www.kroger.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLoss 25 false false R26.htm 99930703 - Disclosure - SEGMENT REPORTING (Tables) Sheet http://www.kroger.com/role/DisclosureSegmentReportingTables SEGMENT REPORTING (Tables) Tables http://www.kroger.com/role/DisclosureSegmentReporting 26 false false R27.htm 99940101 - Disclosure - ACCOUNTING POLICIES (Details) Sheet http://www.kroger.com/role/DisclosureAccountingPoliciesDetails ACCOUNTING POLICIES (Details) Details http://www.kroger.com/role/DisclosureAccountingPoliciesPolicies 27 false false R28.htm 99940201 - Disclosure - DEBT OBLIGATIONS (Details) Sheet http://www.kroger.com/role/DisclosureDebtObligationsDetails DEBT OBLIGATIONS (Details) Details http://www.kroger.com/role/DisclosureDebtObligationsTables 28 false false R29.htm 99940301 - Disclosure - BENEFIT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COSTS (Details) Sheet http://www.kroger.com/role/DisclosureBenefitPlansComponentsOfNetPeriodicBenefitCostsDetails BENEFIT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COSTS (Details) Details 29 false false R30.htm 99940302 - Disclosure - BENEFIT PLANS - DEFINED CONTRIBUTION PLAN INFORMATION (Details) Sheet http://www.kroger.com/role/DisclosureBenefitPlansDefinedContributionPlanInformationDetails BENEFIT PLANS - DEFINED CONTRIBUTION PLAN INFORMATION (Details) Details 30 false false R31.htm 99940401 - Disclosure - EARNINGS PER COMMON SHARE (Details) Sheet http://www.kroger.com/role/DisclosureEarningsPerCommonShareDetails EARNINGS PER COMMON SHARE (Details) Details http://www.kroger.com/role/DisclosureEarningsPerCommonShareTables 31 false false R32.htm 99940501 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) Sheet http://www.kroger.com/role/DisclosureCommitmentsAndContingenciesDetails COMMITMENTS AND CONTINGENCIES (Details) Details http://www.kroger.com/role/DisclosureCommitmentsAndContingencies 32 false false R33.htm 99940601 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - CHANGES IN AOCI BY COMPONENT (Details) Sheet http://www.kroger.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossChangesInAociByComponentDetails ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - CHANGES IN AOCI BY COMPONENT (Details) Details http://www.kroger.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossTables 33 false false R34.htm 99940602 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - ITEMS RECLASSIFIED OUT OF AOCI (Details) Sheet http://www.kroger.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossItemsReclassifiedOutOfAociDetails ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - ITEMS RECLASSIFIED OUT OF AOCI (Details) Details http://www.kroger.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossTables 34 false false R35.htm 99940701 - Disclosure - SEGMENT REPORTING (Details) Sheet http://www.kroger.com/role/DisclosureSegmentReportingDetails SEGMENT REPORTING (Details) Details http://www.kroger.com/role/DisclosureSegmentReportingTables 35 false false R36.htm 99940702 - Disclosure - SEGMENT REPORTING - RETAIL OPERATIONS SEGMENT (Details) Sheet http://www.kroger.com/role/DisclosureSegmentReportingRetailOperationsSegmentDetails SEGMENT REPORTING - RETAIL OPERATIONS SEGMENT (Details) Details 36 false false R37.htm 99940801 - Disclosure - INCOME TAXES (Details) Sheet http://www.kroger.com/role/DisclosureIncomeTaxesDetails INCOME TAXES (Details) Details http://www.kroger.com/role/DisclosureIncomeTaxes 37 false false All Reports Book All Reports kr-20260523.xsd kr-20260523_cal.xml kr-20260523_def.xml kr-20260523_lab.xml kr-20260523_pre.xml kr-20260523x10q.htm kr-20260523x10q004.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true