3.26.1 html 301 338 1 false 107 0 false 15 false false R1.htm 0000001 - Document - Cover Page Sheet http://www.oxy.com/role/CoverPage Cover Page Cover 1 false false R2.htm 9952151 - Statement - Consolidated Condensed Balance Sheets Sheet http://www.oxy.com/role/ConsolidatedCondensedBalanceSheets Consolidated Condensed Balance Sheets Statements 2 false false R3.htm 9952152 - Statement - Consolidated Condensed Balance Sheets (Parenthetical) Sheet http://www.oxy.com/role/ConsolidatedCondensedBalanceSheetsParenthetical Consolidated Condensed Balance Sheets (Parenthetical) Statements 3 false false R4.htm 9952153 - Statement - Consolidated Condensed Statements of Operations Sheet http://www.oxy.com/role/ConsolidatedCondensedStatementsofOperations Consolidated Condensed Statements of Operations Statements 4 false false R5.htm 9952154 - Statement - Consolidated Condensed Statements of Comprehensive Income Sheet http://www.oxy.com/role/ConsolidatedCondensedStatementsofComprehensiveIncome Consolidated Condensed Statements of Comprehensive Income Statements 5 false false R6.htm 9952155 - Statement - Consolidated Condensed Statements of Equity Sheet http://www.oxy.com/role/ConsolidatedCondensedStatementsofEquity Consolidated Condensed Statements of Equity Statements 6 false false R7.htm 9952156 - Statement - Consolidated Condensed Statements of Equity (Parenthetical) Sheet http://www.oxy.com/role/ConsolidatedCondensedStatementsofEquityParenthetical Consolidated Condensed Statements of Equity (Parenthetical) Statements 7 false false R8.htm 9952157 - Statement - Consolidated Condensed Statements of Cash Flows Sheet http://www.oxy.com/role/ConsolidatedCondensedStatementsofCashFlows Consolidated Condensed Statements of Cash Flows Statements 8 false false R9.htm 9952158 - Disclosure - GENERAL Sheet http://www.oxy.com/role/GENERAL GENERAL Notes 9 false false R10.htm 9952159 - Disclosure - REVENUE Sheet http://www.oxy.com/role/REVENUE REVENUE Notes 10 false false R11.htm 9952160 - Disclosure - LONG-TERM DEBT Sheet http://www.oxy.com/role/LONGTERMDEBT LONG-TERM DEBT Notes 11 false false R12.htm 9952161 - Disclosure - ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS Sheet http://www.oxy.com/role/ACQUISITIONSDIVESTITURESANDOTHERTRANSACTIONS ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS Notes 12 false false R13.htm 9952162 - Disclosure - DERIVATIVES Sheet http://www.oxy.com/role/DERIVATIVES DERIVATIVES Notes 13 false false R14.htm 9952163 - Disclosure - INCOME TAXES Sheet http://www.oxy.com/role/INCOMETAXES INCOME TAXES Notes 14 false false R15.htm 9952164 - Disclosure - ENVIRONMENTAL LIABILITIES AND EXPENDITURES Sheet http://www.oxy.com/role/ENVIRONMENTALLIABILITIESANDEXPENDITURES ENVIRONMENTAL LIABILITIES AND EXPENDITURES Notes 15 false false R16.htm 9952165 - Disclosure - LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES Sheet http://www.oxy.com/role/LAWSUITSCLAIMSCOMMITMENTSANDCONTINGENCIES LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES Notes 16 false false R17.htm 9952166 - Disclosure - EARNINGS PER SHARE AND EQUITY Sheet http://www.oxy.com/role/EARNINGSPERSHAREANDEQUITY EARNINGS PER SHARE AND EQUITY Notes 17 false false R18.htm 9952167 - Disclosure - SEGMENTS Sheet http://www.oxy.com/role/SEGMENTS SEGMENTS Notes 18 false false R19.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 19 false false R20.htm 9955511 - Disclosure - GENERAL (Policies) Sheet http://www.oxy.com/role/GENERALPolicies GENERAL (Policies) Policies 20 false false R21.htm 9955512 - Disclosure - GENERAL (Tables) Sheet http://www.oxy.com/role/GENERALTables GENERAL (Tables) Tables http://www.oxy.com/role/GENERAL 21 false false R22.htm 9955513 - Disclosure - REVENUE (Tables) Sheet http://www.oxy.com/role/REVENUETables REVENUE (Tables) Tables http://www.oxy.com/role/REVENUE 22 false false R23.htm 9955514 - Disclosure - LONG-TERM DEBT (Tables) Sheet http://www.oxy.com/role/LONGTERMDEBTTables LONG-TERM DEBT (Tables) Tables http://www.oxy.com/role/LONGTERMDEBT 23 false false R24.htm 9955515 - Disclosure - ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS (Tables) Sheet http://www.oxy.com/role/ACQUISITIONSDIVESTITURESANDOTHERTRANSACTIONSTables ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS (Tables) Tables http://www.oxy.com/role/ACQUISITIONSDIVESTITURESANDOTHERTRANSACTIONS 24 false false R25.htm 9955516 - Disclosure - DERIVATIVES (Tables) Sheet http://www.oxy.com/role/DERIVATIVESTables DERIVATIVES (Tables) Tables http://www.oxy.com/role/DERIVATIVES 25 false false R26.htm 9955517 - Disclosure - INCOME TAXES (Tables) Sheet http://www.oxy.com/role/INCOMETAXESTables INCOME TAXES (Tables) Tables http://www.oxy.com/role/INCOMETAXES 26 false false R27.htm 9955518 - Disclosure - ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables) Sheet http://www.oxy.com/role/ENVIRONMENTALLIABILITIESANDEXPENDITURESTables ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables) Tables http://www.oxy.com/role/ENVIRONMENTALLIABILITIESANDEXPENDITURES 27 false false R28.htm 9955519 - Disclosure - EARNINGS PER SHARE AND EQUITY (Tables) Sheet http://www.oxy.com/role/EARNINGSPERSHAREANDEQUITYTables EARNINGS PER SHARE AND EQUITY (Tables) Tables http://www.oxy.com/role/EARNINGSPERSHAREANDEQUITY 28 false false R29.htm 9955520 - Disclosure - SEGMENTS (Tables) Sheet http://www.oxy.com/role/SEGMENTSTables SEGMENTS (Tables) Tables http://www.oxy.com/role/SEGMENTS 29 false false R30.htm 9955521 - Disclosure - GENERAL - Narrative (Details) Sheet http://www.oxy.com/role/GENERALNarrativeDetails GENERAL - Narrative (Details) Details 30 false false R31.htm 9955522 - Disclosure - GENERAL - Schedule of Restrictions on Cash and Cash Equivalents (Details) Sheet http://www.oxy.com/role/GENERALScheduleofRestrictionsonCashandCashEquivalentsDetails GENERAL - Schedule of Restrictions on Cash and Cash Equivalents (Details) Details 31 false false R32.htm 9955523 - Disclosure - GENERAL - Schedule of Supplemental Cash Flows (Details) Sheet http://www.oxy.com/role/GENERALScheduleofSupplementalCashFlowsDetails GENERAL - Schedule of Supplemental Cash Flows (Details) Details 32 false false R33.htm 9955524 - Disclosure - GENERAL - Schedule of Inventories (Details) Sheet http://www.oxy.com/role/GENERALScheduleofInventoriesDetails GENERAL - Schedule of Inventories (Details) Details 33 false false R34.htm 9955525 - Disclosure - GENERAL - Accrued Liabilities - Current (Details) Sheet http://www.oxy.com/role/GENERALAccruedLiabilitiesCurrentDetails GENERAL - Accrued Liabilities - Current (Details) Details 34 false false R35.htm 9955526 - Disclosure - GENERAL - Other Long-Term Liabilities (Details) Sheet http://www.oxy.com/role/GENERALOtherLongTermLiabilitiesDetails GENERAL - Other Long-Term Liabilities (Details) Details 35 false false R36.htm 9955527 - Disclosure - REVENUE - Schedule of Reconciliation of Revenue from Customers to Total Net Sales (Details) Sheet http://www.oxy.com/role/REVENUEScheduleofReconciliationofRevenuefromCustomerstoTotalNetSalesDetails REVENUE - Schedule of Reconciliation of Revenue from Customers to Total Net Sales (Details) Details 36 false false R37.htm 9955528 - Disclosure - REVENUE - Schedule of Revenue from Customers by Segment, Product, and Geographical Area (Details) Sheet http://www.oxy.com/role/REVENUEScheduleofRevenuefromCustomersbySegmentProductandGeographicalAreaDetails REVENUE - Schedule of Revenue from Customers by Segment, Product, and Geographical Area (Details) Details 37 false false R38.htm 9955529 - Disclosure - LONG-TERM DEBT - Schedule of Long-term Debt (Details) Sheet http://www.oxy.com/role/LONGTERMDEBTScheduleofLongtermDebtDetails LONG-TERM DEBT - Schedule of Long-term Debt (Details) Details 38 false false R39.htm 9955530 - Disclosure - LONG-TERM DEBT - Narrative (Details) Sheet http://www.oxy.com/role/LONGTERMDEBTNarrativeDetails LONG-TERM DEBT - Narrative (Details) Details 39 false false R40.htm 9955531 - Disclosure - LONG-TERM DEBT - Debt Activity (Details) Sheet http://www.oxy.com/role/LONGTERMDEBTDebtActivityDetails LONG-TERM DEBT - Debt Activity (Details) Details 40 false false R41.htm 9955532 - Disclosure - ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - Narrative (Details) Sheet http://www.oxy.com/role/ACQUISITIONSDIVESTITURESANDOTHERTRANSACTIONSNarrativeDetails ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - Narrative (Details) Details http://www.oxy.com/role/ACQUISITIONSDIVESTITURESANDOTHERTRANSACTIONSTables 41 false false R42.htm 9955533 - Disclosure - ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - Schedule of Components of Purchase Price (Details) Sheet http://www.oxy.com/role/ACQUISITIONSDIVESTITURESANDOTHERTRANSACTIONSScheduleofComponentsofPurchasePriceDetails ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - Schedule of Components of Purchase Price (Details) Details 42 false false R43.htm 9955534 - Disclosure - ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - Schedule of Discontinued Operations, Net of Income Taxes (Details) Sheet http://www.oxy.com/role/ACQUISITIONSDIVESTITURESANDOTHERTRANSACTIONSScheduleofDiscontinuedOperationsNetofIncomeTaxesDetails ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - Schedule of Discontinued Operations, Net of Income Taxes (Details) Details 43 false false R44.htm 9955535 - Disclosure - DERIVATIVES - Crude Collars (Details) Sheet http://www.oxy.com/role/DERIVATIVESCrudeCollarsDetails DERIVATIVES - Crude Collars (Details) Details 44 false false R45.htm 9955536 - Disclosure - DERIVATIVES - Marketing Derivatives (Details) Sheet http://www.oxy.com/role/DERIVATIVESMarketingDerivativesDetails DERIVATIVES - Marketing Derivatives (Details) Details 45 false false R46.htm 9955537 - Disclosure - DERIVATIVES - Schedule of Fair Value Derivatives (Details) Sheet http://www.oxy.com/role/DERIVATIVESScheduleofFairValueDerivativesDetails DERIVATIVES - Schedule of Fair Value Derivatives (Details) Details 46 false false R47.htm 9955538 - Disclosure - DERIVATIVES - Schedule of Gains and Losses on Derivatives (Details) Sheet http://www.oxy.com/role/DERIVATIVESScheduleofGainsandLossesonDerivativesDetails DERIVATIVES - Schedule of Gains and Losses on Derivatives (Details) Details 47 false false R48.htm 9955539 - Disclosure - INCOME TAXES - Schedule of Components of Income Tax Expense (Details) Sheet http://www.oxy.com/role/INCOMETAXESScheduleofComponentsofIncomeTaxExpenseDetails INCOME TAXES - Schedule of Components of Income Tax Expense (Details) Details 48 false false R49.htm 9955540 - Disclosure - INCOME TAXES - Narrative (Details) Sheet http://www.oxy.com/role/INCOMETAXESNarrativeDetails INCOME TAXES - Narrative (Details) Details 49 false false R50.htm 9955541 - Disclosure - ENVIRONMENTAL LIABILITIES AND EXPENDITURES - Narrative (Details) Sheet http://www.oxy.com/role/ENVIRONMENTALLIABILITIESANDEXPENDITURESNarrativeDetails ENVIRONMENTAL LIABILITIES AND EXPENDITURES - Narrative (Details) Details 50 false false R51.htm 9955542 - Disclosure - ENVIRONMENTAL LIABILITIES AND EXPENDITURES - Current and Non-Current Environmental Remediation Liabilities (Details) Sheet http://www.oxy.com/role/ENVIRONMENTALLIABILITIESANDEXPENDITURESCurrentandNonCurrentEnvironmentalRemediationLiabilitiesDetails ENVIRONMENTAL LIABILITIES AND EXPENDITURES - Current and Non-Current Environmental Remediation Liabilities (Details) Details 51 false false R52.htm 9955543 - Disclosure - ENVIRONMENTAL LIABILITIES AND EXPENDITURES - Remediation Site Balances (Details) Sheet http://www.oxy.com/role/ENVIRONMENTALLIABILITIESANDEXPENDITURESRemediationSiteBalancesDetails ENVIRONMENTAL LIABILITIES AND EXPENDITURES - Remediation Site Balances (Details) Details 52 false false R53.htm 9955544 - Disclosure - LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES (Details) Sheet http://www.oxy.com/role/LAWSUITSCLAIMSCOMMITMENTSANDCONTINGENCIESDetails LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES (Details) Details http://www.oxy.com/role/LAWSUITSCLAIMSCOMMITMENTSANDCONTINGENCIES 53 false false R54.htm 9955545 - Disclosure - EARNINGS PER SHARE AND EQUITY - Schedule of Calculation of Basic and Diluted EPS (Details) Sheet http://www.oxy.com/role/EARNINGSPERSHAREANDEQUITYScheduleofCalculationofBasicandDilutedEPSDetails EARNINGS PER SHARE AND EQUITY - Schedule of Calculation of Basic and Diluted EPS (Details) Details 54 false false R55.htm 9955546 - Disclosure - EARNINGS PER SHARE AND EQUITY - Schedule of Repurchase Agreements (Details) Sheet http://www.oxy.com/role/EARNINGSPERSHAREANDEQUITYScheduleofRepurchaseAgreementsDetails EARNINGS PER SHARE AND EQUITY - Schedule of Repurchase Agreements (Details) Details 55 false false R56.htm 9955547 - Disclosure - EARNINGS PER SHARE AND EQUITY - Narrative (Details) Sheet http://www.oxy.com/role/EARNINGSPERSHAREANDEQUITYNarrativeDetails EARNINGS PER SHARE AND EQUITY - Narrative (Details) Details 56 false false R57.htm 9955548 - Disclosure - SEGMENTS - Reconciles Segment Income From Continuing Operations (Details) Sheet http://www.oxy.com/role/SEGMENTSReconcilesSegmentIncomeFromContinuingOperationsDetails SEGMENTS - Reconciles Segment Income From Continuing Operations (Details) Details 57 false false R58.htm 9955549 - Disclosure - SEGMENTS - Other Segment Expenses (Details) Sheet http://www.oxy.com/role/SEGMENTSOtherSegmentExpensesDetails SEGMENTS - Other Segment Expenses (Details) Details 58 false false R59.htm 9955550 - Disclosure - SEGMENTS - Segment Investments And Expenditures (Details) Sheet http://www.oxy.com/role/SEGMENTSSegmentInvestmentsAndExpendituresDetails SEGMENTS - Segment Investments And Expenditures (Details) Details 59 false false R60.htm 9955551 - Disclosure - SEGMENTS - Segment Property Plant And Equipment (Details) Sheet http://www.oxy.com/role/SEGMENTSSegmentPropertyPlantAndEquipmentDetails SEGMENTS - Segment Property Plant And Equipment (Details) Details 60 false false All Reports Book All Reports oxy-20260331.htm oxy-20260331.xsd oxy-20260331_cal.xml oxy-20260331_def.xml oxy-20260331_lab.xml oxy-20260331_pre.xml oxy-20260331_g1.jpg oxy-20260331_g2.jpg http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true