Consolidated Entities [Axis] Consolidated Entities [Axis] Schedule of Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Credit facility maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Investment, Name [Domain] Investment, Name [Domain] Standby loan agreed to provide related to ARO (up to) Standby Loan Agreed To Provide Related To Asset Retirement Obligations Standby Loan Agreed To Provide Related To Asset Retirement Obligations DEBT AND FINANCING COSTS Debt Disclosure [Text Block] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Revolving Credit Facility Revolving Credit Facility [Member] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Income taxes Deferred Income Tax Liabilities, Net Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts payable Accounts payable Accounts Payable, Current Investment, Name [Axis] Investment, Name [Axis] Commitment And Contingencies [Table] Commitment And Contingencies [Table] Commitment And Contingencies [Table] Other asset impairment charges Other Asset Impairment Charges Distributions to APA Corporation Adjustments To Additional Paid In Capital, Distributions To Parent Adjustments To Additional Paid In Capital, Distributions To Parent Geographical [Axis] Geographical [Axis] Inventory write-down Inventory Write-down Accounts Receivable from / Accounts Payable to APA Related Party Transaction, Policy [Policy Text Block] Related Party Transaction, Policy INCOME TAXES Income Tax Disclosure [Text Block] Ownership [Axis] Ownership [Axis] Proceeds from Apache credit facility, net Proceeds from (Repayments of) Lines of Credit Accrued interest converted to principal Notes Receivable, Accrued Interest Converted To Principal Notes Receivable, Accrued Interest Converted To Principal Reimbursable costs charged to Parent Reimbursable Corporate Overhead Charges Reimbursable Corporate Overhead Charges Other Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization CURRENT LIABILITIES: Liabilities, Current [Abstract] Intersegment Eliminations & Other Intersegment Eliminations [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Proceeds from sale of operations and properties Proceeds from Divestiture of Businesses Premium (discount) to par of debt repurchase Gain (Loss) on Repurchase of Debt Instrument Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Schedule Of Significant Accounting Policies [Table] Schedule Of Significant Accounting Policies [Table] Schedule Of Significant Accounting Policies [Table] Receivables, net of allowance of $103 and $117 Receivables Accounts Receivable, after Allowance for Credit Loss, Current ALTM ALTM [Member] ALTM Line of Credit Line of Credit [Member] Dividends paid-in-kind (in shares) Equity Method Investment, Dividends Paid-In-Kind, Shares Equity Method Investment, Dividends Paid-In-Kind, Shares Interest income Interest Income, Interest-Earning Asset Litigation Case [Axis] Litigation Case [Axis] Beginning balance Ending balance Redeemable Noncontrolling Interest, Equity, Carrying Amount Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Extinguishment of Debt, Type [Domain] Extinguishment of Debt, Type [Domain] Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] NET INCOME ATTRIBUTABLE TO APACHE CORPORATION Net income attributable to Apache Corporation Net Income (Loss) Total current liabilities Liabilities, Current Derivative Contract [Domain] Derivative Contract [Domain] Capital distributions on note payable to APA Corporation, net Payments of Distributions to Affiliates Net income attributable to noncontrolling interest, distributed in cash Net Income (Loss) Attributable To Nonredeemable Noncontrolling Interest, Distributed In Cash Net Income (Loss) Attributable To Nonredeemable Noncontrolling Interest, Distributed In Cash GBP Agreement GBP Agreement [Member] GBP Agreement Accrued interest Interest Payable, Current Gathering, processing, and transmission facilities Gathering, Processing And Transmission Facilities, Noncurrent Gas gathering processing and transmission facilities non current. LIABILITIES, NONCONTROLLING INTERESTS, AND EQUITY Liabilities and Equity [Abstract] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Trust account for disposal group, number of net profits interests Disposal Group, Trust Account, Number Of Net Profits Interests Disposal Group, Trust Account, Number Of Net Profits Interests Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] EQUITY: Equity, Attributable to Parent [Abstract] Comprehensive loss attributable to Altus Preferred Unit limited partners Comprehensive Income (Loss), Net Of Tax, Attributable To Redeemable Noncontrolling Interest Comprehensive Income (Loss), Net Of Tax, Attributable To Redeemable Noncontrolling Interest Notes receivable, aggregate principal amount Receivable with Imputed Interest, Face Amount Gathering, processing, and transmission/Purchased oil and gas costs Costs Cost of Goods and Services Sold Debt Repurchase Program [Axis] Debt Repurchase Program [Axis] Debt Repurchase Program Egypt Segment Egypt [Member] Segment Egypt [Member] Foreign currency derivative instruments Foreign Exchange Contract [Member] Decommissioning costs incurred Decommissioning Costs Incurred Decommissioning Costs Incurred SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Line of credit facility, current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Equity Components [Axis] Equity Components [Axis] APA Corp APA Corp [Member] APA Corp Current decommissioning contingency for sold Gulf of Mexico properties Decommissioning Contingency For Sold Properties, Current Decommissioning Contingency For Sold Properties, Current Accrued expenses Increase (Decrease) in Accrued Liabilities Debt extension term Line Of Credit Facility, Extension Term Line Of Credit Facility, Extension Term Deconsolidation of Altus Stockholders' Equity, Deconsolidation Stockholders' Equity, Deconsolidation Entity Small Business Entity Small Business Local Phone Number Local Phone Number Receivables Increase (Decrease) in Accounts Receivable Letter of Credit Letter of Credit [Member] Midstream service affiliate revenues Natural Gas, Midstream [Member] Debt instrument term Debt Instrument, Term Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Retain right of obligations Obligations For Capacity Rights Obligations For Capacity Rights Debt instrument, unamortized discount and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligation Disclosure [Abstract] Schedule of Equity Method Investment Information Equity Method Investments [Table Text Block] Gathering, Processing, and Transmission (GPT) Facilities Gathering Transmission And Processing Facilities [Policy Text Block] Gathering transmission and processing facilities. Shares sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Line of credit facility, covenant benchmark amount Line Of Credit Facility, Covenant Term, Benchmark Amount Line Of Credit Facility, Covenant Term, Benchmark Amount Accrued income taxes Accrued Income Taxes, Current Payables and Accruals [Abstract] Payables and Accruals [Abstract] Notes receivable from APA Corporation (Note 2) Notes receivable principal outstanding Nontrade Receivables, Noncurrent Total revenues Revenues Revenues Total deferred credits and other noncurrent liabilities Liabilities, Other than Long-Term Debt, Noncurrent OTHER ASSETS: Other Assets, Noncurrent [Abstract] Product and Service [Domain] Product and Service [Domain] U.S. Segment United States [Member] Segment United States [Member] Interest expense Interest Expense, Debt Inventories Increase (Decrease) in Inventories Australian Operations Divestiture Dispute Australian Operations Divestiture Dispute [Member] Australian Operations Divestiture Dispute [Member] CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Gain contingency, unrecorded amount Gain Contingency, Unrecorded Amount Current asset retirement obligation Less current portion Asset Retirement Obligation, Current Former Facility Former Facility [Member] Former Facility Liabilities settled Asset Retirement Obligation, Liabilities Settled Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Document Quarterly Report Document Quarterly Report (Gain) loss on extinguishment of debt Gain (loss) on extinguishment of debt (Gain) loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Hedging Designation [Axis] Hedging Designation [Axis] Notes receivable from APA Corporation Notes Receivable From Affiliate, Investing Activities Notes Receivable From Affiliate, Investing Activities Gain (loss) on sale of non-core assets Gain (Loss) on Disposition of Oil and Gas Property CAPITALIZED EXPLORATORY WELL COSTS Suspended Well Costs Disclosure [Text Block] Schedule of Financing Costs, Net Financing Costs Net Table [Table Text Block] Financing costs net. TRANSACTIONS WITH PARENT AFFILIATE Related Party Transactions Disclosure [Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Deferred Tax Expense [Table] Deferred Tax Expense [Table] Deferred Tax Expense Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Payments on fixed-rate debt Repayments Of Fixed-Rate Debt Repayments Of Fixed-Rate Debt Entity File Number Entity File Number Unamortized discount Debt Instrument, Unamortized Discount Current operating lease liability Operating Lease, Liability, Current Entity Shell Company Entity Shell Company Deferred tax expense, remeasurement of deferred tax liability Deferred Tax Expense, Remeasurement Of Deferred Tax Liability Deferred Tax Expense, Remeasurement Of Deferred Tax Liability Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Number of defendants Loss Contingency, Number of Defendants CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR CASH AND CASH EQUIVALENTS AT END OF PERIOD Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Debt instrument, fair value Debt Instrument, Fair Value Disclosure Interest income Investment Income, Interest Common stock, shares issued (in shares) Common Stock, Shares, Issued Current maturities Long-Term Debt and Lease Obligation, Current BCP Business Combination BCP Business Combination [Member] BCP Business Combination Proceeds from sale of stock Sale of Stock, Consideration Received on Transaction Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Financing costs, net Financing costs, net Financing costs, net Financing Costs, Net Financing Costs, Net DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] Total operating expenses Costs and Expenses Other, net Proceeds from (Payments for) Other Financing Activities Additions to upstream oil and gas property Payments to Explore and Develop Oil and Gas Properties Maximum Maximum [Member] Debt repurchased principal amount Debt Instrument, Repurchased Face Amount COMPREHENSIVE INCOME ATTRIBUTABLE TO APACHE CORPORATION Comprehensive Income (Loss), Net of Tax, Attributable to Parent PROPERTY AND EQUIPMENT: Property, Plant and Equipment, Net [Abstract] Document Type Document Type 3.25% notes due 2022 Three Point Two Five Percentage Notes Due Twenty Twenty Two [Member] Three Point Two Five Percentage Notes Due Twenty Twenty Two [Member] Oil and gas Oil and Gas [Member] Entity Address, Address Line One Entity Address, Address Line One Inventories Inventory, Policy [Policy Text Block] Preferred Units embedded derivative Embedded Derivative Financial Instruments [Member] Ownership percentage by parent Subsidiary, Ownership Percentage, Parent Other, net Other Noncash Income (Expense) Business Acquisition [Axis] Business Acquisition [Axis] Decommissioning costs reimbursed from letters of credit Decommissioning Costs Reimbursed from Letters of Credit Decommissioning Costs Reimbursed from Letters of Credit Receivables, net of allowance Accounts Receivable, Allowance for Credit Loss, Current Exploration Exploration Exploration Expense Net loss attributable to Altus Preferred Unit limited partners Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Exploratory well costs capitalized for a period greater than one year Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year Other current liabilities (Note 8) Total Other current liabilities Other Liabilities, Current Loss on sale of stock Loss on sale of stock Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee Property and equipment, net Property And Equipment Net Including Finance Lease Right Of Use Assets Oil And Gas Properties Property And Equipment Net Including Finance Lease Right Of Use Assets Oil And Gas Properties Income Statement [Abstract] Income Statement [Abstract] Line of credit facility, committed amount Line Of Credit Facility, Committed Amount Line Of Credit Facility, Committed Amount Purchased oil and gas sales Revenue from Contract with Customer, Including Assessed Tax Extinguishment of Debt [Axis] Extinguishment of Debt [Axis] Related Party [Domain] Related Party, Type [Domain] Ownership percentage by noncontrolling owners Subsidiary, Ownership Percentage, Noncontrolling Owner Operating Segments Operating Segments [Member] Other current assets (Note 6) Total Other current assets Other Assets, Current Reportable Legal Entities Reportable Legal Entities [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Capitalized exploratory well costs Capitalized Exploratory Well Costs Distributions to noncontrolling interest – Sinopec Payments to Noncontrolling Interests Entity Tax Identification Number Entity Tax Identification Number Deconsolidation of Altus Noncontrolling Interest, Decrease from Deconsolidation Equity method interests (Note 7) Equity method interests Equity Method Investments Inventories Inventory, Net Statistical Measurement [Axis] Statistical Measurement [Axis] Apache Egypt Apache Egypt [Member] Apache Egypt [Member] Leasehold and property acquisitions Oil and gas assets acquisitions consideration Payments to Acquire Oil and Gas Property Entity Interactive Data Current Entity Interactive Data Current Kinetik Kinetik [Member] Kinetik Asset retirement obligation at the beginning of period Asset retirement obligation at the end of period Asset Retirement Obligation Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding ACQUISITIONS AND DIVESTITURES Mergers, Acquisitions and Dispositions Disclosures [Text Block] EQUITY (DEFICIT) ATTRIBUTABLE TO APACHE CORPORATION Parent [Member] Segments [Domain] Segments [Domain] Consolidation Items [Domain] Consolidation Items [Domain] Gain on deconsolidation of ALTM Deconsolidation, Gain (Loss), Amount Distributions to APA Corporation Payments of Capital Distribution Accumulated deficit Retained Earnings (Accumulated Deficit) Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Debt face amount Debt Instrument, Face Amount Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code CURRENT ASSETS: Assets, Current [Abstract] Entity Address, State or Province Entity Address, State or Province Apollo Exploration Lawsuit Apollo Exploration Lawsuit [Member] Apollo Exploration Lawsuit [Member] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Petroleum Reserves [Axis] Petroleum Reserves [Axis] Asset retirement obligation, estimated liability Asset Retirement Obligation, Estimated Liability Asset Retirement Obligation, Estimated Liability Line of credit facility, terminated amount Line Of Credit Facility, Terminated Amount Line Of Credit Facility, Terminated Amount Disposal Group Name [Domain] Disposal Group Name [Domain] Derivative instrument losses, net Derivative instrument losses, net Derivative instrument losses, net Gain (Loss) on Derivative Instruments, Net, Pretax Loss contingency, estimated of possible loss amount Loss Contingency, Estimate of Possible Loss Other Stockholders' Equity, Other Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Type of Reserve [Domain] Type of Reserve [Domain] Net effect of deconsolidating balance sheet Deconsolidation, Net Effect Of Balance Sheet Deconsolidation, Net Effect Of Balance Sheet Number of prior letters notifying unable to fund decommissioning obligations Number Of Prior letters Notifying Unable To Fund Decommissioning Obligations Number Of Prior letters Notifying Unable To Fund Decommissioning Obligations Class of Stock [Domain] Class of Stock [Domain] NET CASH USED IN INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities Open Market Repurchase Open Market Repurchase [Member] Open Market Repurchase Non-Core Assets And Leasehold Non-Core Assets And Leasehold [Member] Non-Core Assets And Leasehold [Member] Debt Instrument [Axis] Debt Instrument [Axis] Third-Party Investors Third-Party Investors [Member] Third-Party Investors Credit Facility [Axis] Credit Facility [Axis] Current income tax provision Current Income Tax Expense (Benefit) NATURE OF OPERATIONS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Deferred Tax Expense [Line Items] Deferred Tax Expense [Line Items] Deferred Tax Expense Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Deferred charges and other long-term assets Increase (Decrease) in Prepaid Expense and Other Assets BCP Business Combination Contributor BCP Business Combination Contributor [Member] BCP Business Combination Contributor DEFERRED CREDITS AND OTHER NONCURRENT LIABILITIES: Liabilities, Noncurrent [Abstract] Noncontrolling interest – Sinopec Noncontrolling Interest, Sinopec [Member] Noncontrolling Interest, Sinopec OTHER CURRENT LIABILITIES Accounts Payable and Accrued Liabilities Disclosure [Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Related Party Transaction [Domain] Related Party Transaction [Domain] Disposed of by Sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Common stock, $0.625 par, 1,000 and 1,000 shares authorized, respectively, 1,000 and 1,000 shares issued, respectively Common Stock, Value, Issued Affiliated Entity Affiliated Entity [Member] General and administrative General and administrative General and Administrative Expense Number of plaintiff, sureties issued bonds directly Number Of Plaintiff, Sureties Issued Bonds Directly Number Of Plaintiff, Sureties Issued Bonds Directly Organization, Consolidation and Presentation of Financial Statements [Abstract] Sinopec Sinopec [Member] Sinopec [Member] Senior Notes Senior Notes [Member] Total current assets Assets, Current Impairments Impairments Asset Impairment Charges SUPPLEMENTARY CASH FLOW DATA: Supplemental Cash Flow Information [Abstract] Other, net Other Nonoperating Income (Expense) Litigation Case [Domain] Litigation Case [Domain] Entity Filer Category Entity Filer Category Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Delaware Litigation Delaware Litigation [Member] Delaware Litigation [Member] Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Total debt Long-Term Debt and Lease Obligation, Including Current Maturities Note receivable, accrued interest converted to principal, term Notes Receivable, Accrued Interest Converted To Principal, Term Notes Receivable, Accrued Interest Converted To Principal, Term Income Tax Authority [Axis] Income Tax Authority [Axis] Other Other Sundry Liabilities, Current Current decommissioning contingency for sold Gulf of Mexico properties Decommissioning Contingency For Sold Properties, Current And Noncurrent Decommissioning Contingency For Sold Properties, Current And Noncurrent Debt Repurchase Program [Domain] Debt Repurchase Program [Domain] Debt Repurchase Program [Domain] Number of credit agreements Debt Instrument, Number Of Credit Agreements Debt Instrument, Number Of Credit Agreements NET CASH PROVIDED BY OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities Class of Stock [Axis] Class of Stock [Axis] EQUITY METHOD INTERESTS Equity Method Investments and Joint Ventures Disclosure [Text Block] Equity method investment, number of shares (in shares) Equity Method Investment, Number Of Shares Equity Method Investment, Number Of Shares Depreciation, depletion, and amortization Depreciation, depletion, and amortization Depreciation, depletion, and amortization Depreciation, Depletion and Amortization Litigation settlement, amount Litigation Settlement, Amount Awarded to Other Party Debt interest rate Debt Instrument, Interest Rate, Stated Percentage Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Gain on divestitures, net Gain (Loss) on Disposition of Business Business Combination and Asset Acquisition [Abstract] EQUITY ATTRIBUTABLE TO APACHE CORPORATION Equity, Attributable to Parent Consolidation Items [Axis] Consolidation Items [Axis] Net loss attributable to Altus Preferred Unit limited partners Temporary Equity, Net Income Natural gas and NGLs sales Natural Gas and NGLs [Member] Natural Gas and NGLs Canadian Operations Divestiture Dispute Canadian Operations Divestiture Dispute [Member] Canadian Operations Divestiture Dispute [Member] LONG-TERM DEBT (Note 10) Long-term debt Long-Term Debt and Lease Obligation NET INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Decommissioning security for sold Gulf of Mexico properties (Note 12) Trust account for disposal group, number of net profits interests Decommissioning Security For Sold Properties Decommissioning Security For Sold Properties Accrued operating expenses Accrued Operating Expenses Accrued operating expenses. Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Number of actions filed Loss Contingency, New Claims Filed, Number Hedging Designation [Domain] Hedging Designation [Domain] Payments on note payable to APA Corporation, net Proceeds from (Repayments of) Notes Payable Entity Emerging Growth Company Entity Emerging Growth Company North Sea Segment North Sea [Member] Segment North Sea Debt issuance costs Debt Issuance Costs, Net Current decommissioning security for sold Gulf of Mexico assets Decommissioning Security For Sold Properties, Current Decommissioning Security For Sold Properties, Current Disposal Group Classification [Domain] Disposal Group Classification [Domain] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Proceeds from sale of oil and gas properties Proceeds from Sale of Oil and Gas Property and Equipment Document Fiscal Period Focus Document Fiscal Period Focus Lease operating expenses Lease operating expenses Operating Lease, Expense Debt repurchase price Debt Instrument, Repurchase Amount Foreign Tax Authority Foreign Tax Authority [Member] Permian Basin Permian Region [Member] Permian Region [Member] Pension and postretirement benefit plan Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Product and Service [Axis] Product and Service [Axis] Current decommissioning security for sold Gulf of Mexico assets Current decommissioning security for sold Gulf of Mexico assets Current decommissioning security for sold Gulf of Mexico assets Interest percentage Equity Method Investment, Ownership Percentage Document Fiscal Year Focus Document Fiscal Year Focus Geographical [Domain] Geographical [Domain] TOTAL EQUITY Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Distributions to noncontrolling interest – Sinopec Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Net income attributable to noncontrolling interest Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Minimum Minimum [Member] Noncurrent receivable from APA Corporation (Note 2) Noncurrent receivable from APA Corporation Accounts Receivable, after Allowance for Credit Loss, Noncurrent Number of bonds held Number Of Bond Held Number Of Bond Held Disposal Group Classification [Axis] Disposal Group Classification [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] ASSETS Assets [Abstract] Commodity derivative instruments Commodity Contract [Member] Nonrelated Party Nonrelated Party [Member] NET INCOME INCLUDING NONCONTROLLING INTERESTS NET INCOME INCLUDING NONCONTROLLING INTERESTS Net income including noncontrolling interests Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Income taxes paid, net of refunds Income Taxes Paid, Net Drilling advances and other current assets Increase (Decrease) In Drilling Advances And Other Current Assets Increase (Decrease) In Drilling Advances And Other Current Assets NET CASH USED IN FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Other, net Payments for (Proceeds from) Other Investing Activities Redeemable Noncontrolling Interest - Altus Preferred Unit Limited Partners Redeemable Preferred Stock [Member] Accumulated Deficit Retained Earnings [Member] Total revenues and other Revenues And Other Revenues And Other Current maturities Long-Term Debt, Current Maturities Interest income from APA Corporation, net (Note 2) Interest Income With Parent, Net Interest Income With Parent, Net Drilling advances Drilling Advances Drilling advances. Liabilities and Equity, Total Liabilities and Equity Other Income (Expense): Nonoperating Income (Expense) [Abstract] Ownership [Domain] Ownership [Domain] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Accounting Policies [Abstract] Accounting Policies [Abstract] Holding Company Reorganization Holding Company Reorganization [Member] Holding Company Reorganization Non-cash financing adjustment: APA’s assumption of Apache’s borrowings on its syndicated credit facility Line of Credit Assumed ALTM Altus Midstream [Member] Altus Midstream Entity Address, City or Town Entity Address, City or Town Schedule of Financial Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Common Class C Common Class C [Member] Principles of Consolidation Consolidation, Policy [Policy Text Block] Transaction, reorganization, and separation Transaction, reorganization, and separation Restructuring Charges Document Transition Report Document Transition Report Unsecured Debt Unsecured Debt [Member] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Deconsolidation of Altus cash and cash equivalents Cash Divested from Deconsolidation Senior Promissory Note Dated March 31, 2023 Senior Promissory Note Dated March 31, 2023 [Member] Senior Promissory Note Dated March 31, 2023 Common stock, shares authorized (in shares) Common Stock, Shares Authorized Accounts payable Increase (Decrease) in Accounts Payable Derivative Instrument [Axis] Derivative Instrument [Axis] Notes and debentures before unamortized discount and debt issuance costs Long-Term Debt, Gross Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Party Transactions [Abstract] Deferred credits and noncurrent liabilities Increase (Decrease) Of Deferred Charges, Deferred Credits And Noncurrent Liabilities Increase (Decrease) Of Deferred Charges, Deferred Credits And Noncurrent Liabilities Stock split, conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Decommissioning security for sold properties Decommissioning Security For Sold Properties, Current And Noncurrent Decommissioning Security For Sold Properties, Current And Noncurrent Apache credit facility Credit Facility, Apache [Member] Credit Facility, Apache Paid-in capital Additional Paid in Capital Gathering, processing, and transmission costs Oil And Gas, Excluding Purchased [Member] Oil And Gas, Excluding Purchased [Member] Net Income And Distributable Cash Flow For Egyptian Operations Net Income And Distributable Cash Flow For Egyptian Operations [Member] Net Income And Distributable Cash Flow For Egyptian Operations Deferred income tax provision (benefit) Provision for (benefit from) deferred income taxes Deferred Income Tax Expense (Benefit) Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Note receivable, term Notes Receivables, Term Notes Receivables, Term Altus Midstream Altus Midstream Segment [Member] Altus Midstream Segment [Member] Comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net Of Tax, Attributable To Nonredeemable Noncontrolling Interest Comprehensive Income (Loss), Net Of Tax, Attributable To Nonredeemable Noncontrolling Interest Schedule of Derivative Instruments on Statement of Consolidated Operations Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Finance lease obligations Finance Lease, Liability Number of plaintiffs Loss Contingency, Number of Plaintiffs Prepaid assets and other Prepaid Expense and Other Assets, Current Current debt Debt, Current Cash Tender Offers Debt Repurchase, Cash Tender Offers [Member] Debt Repurchase, Cash Tender Offers Business acquisition, equity interest issued or issuable, number of shares (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] OTHER CURRENT ASSETS Other Current Assets [Text Block] Undiscounted reserve for environmental remediation Accrual for Environmental Loss Contingencies, Gross Related Party [Axis] Related Party, Type [Axis] Gain on divestitures, net Gain (Loss) on Sale of Properties Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Entity Registrant Name Entity Registrant Name Schedule of Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Revenue from non-customers Revenue From Non-Customer Revenue From Non-Customer Payments of capital distribution Payments Of Capital Distribution, Excluding Intercompany Transaction From Reorganization Payments Of Capital Distribution, Excluding Intercompany Transaction From Reorganization Number of plaintiff, sureties issued bonds to issuing bank Number Of Plaintiff, Sureties Issued Bonds To Issuing Bank Number Of Plaintiff, Sureties Issued Bonds To Issuing Bank Oil revenues Oil [Member] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Impairments of oil and gas properties Impairment of Oil and Gas Properties Deferred charges and other Deferred Costs and Other Assets Document Period End Date Document Period End Date Disposal Group Name [Axis] Disposal Group Name [Axis] Purchased oil and gas sales Oil and Gas, Purchased [Member] Entity Central Index Key Entity Central Index Key Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Accrued liability for legal contingencies Loss Contingency Accrual Realized losses, net Derivative, Gain (Loss) on Derivative, Net Apache notes and debentures Notes And Debentures [Member] Notes and debentures. Commitment And Contingencies [Line Items] Commitment And Contingencies [Line Items] Commitment And Contingencies [Line Items] Oil and Gas Property Industry-Specific Policies, Oil and Gas [Policy Text Block] Income Tax Authority [Domain] Income Tax Authority [Domain] Accrued compensation and benefits Employee-related Liabilities, Current Number of operating segments Number of Operating Segments Oil, natural gas, and natural gas liquids production revenues Oil, natural gas, and natural gas liquids production revenues Revenues From Customers And Non-Customers Revenues From Customers And Non-Customers Asset retirement obligation accretion Asset retirement obligation accretion Accretion expense Asset Retirement Obligation, Accretion Expense Sales Revenue from Contract with Customer, Excluding Assessed Tax Entity [Domain] Entity [Domain] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Legal Entity [Axis] Legal Entity [Axis] Unrealized derivative instrument losses, net Unrealized losses, net Unrealized Gain (Loss) on Derivatives Decommissioning contingency for sold Gulf of Mexico properties (Note 12) Decommissioning contingency for sold Gulf of Mexico properties, total Decommissioning Contingency For Sold Properties Decommissioning Contingency For Sold Properties Asset retirement obligation (Note 9) Asset retirement obligation, long-term Asset Retirement Obligations, Noncurrent Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Non-Core Mineral Rights Non-Core Mineral Rights [Member] Non-Core Mineral Rights ALTM Altus Midstream Company [Member] Altus Midstream Company [Member] Interest paid, net of capitalized interest Interest Paid, Excluding Capitalized Interest, Operating Activities COMPREHENSIVE INCOME INCLUDING NONCONTROLLING INTERESTS Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Number of debt instruments held Debt Instrument, Number Debt Instrument, Number Exploratory dry hole expense and unproved leasehold impairments Results of Operations, Dry Hole Costs Credit Facility [Domain] Credit Facility [Domain] Plaintiffs alleged damages Loss Contingency, Damages Sought, Value Gulf Of Mexico Shelf Operations and Properties Gulf Of Mexico Shelf Operations And Properties [Member] Gulf Of Mexico Shelf Operations And Properties [Member] Proceeds from sale of Kinetik shares Proceeds from Sale of Equity Method Investments California Litigation California Litigation [Member] California Litigation [Member] Note receivable, interest rate Notes Receivable, Stated Interest Rate Notes Receivable, Stated Interest Rate Accounts receivable from/payable to APA Corporation Increase (Decrease) in Due to Affiliates ASSET RETIREMENT OBLIGATION Asset Retirement Obligation Disclosure [Text Block] Line of credit facility, increased committed amount Line Of Credit Facility, Increased Committed Amount Line Of Credit Facility, Increased Committed Amount Taxes other than income Taxes other than income Taxes, Other OPERATING EXPENSES: Operating Expenses: Operating Expenses [Abstract] Decommissioning costs reimbursed amount from trust Decommissioning Costs Reimbursed Amount From Trust Decommissioning Costs Reimbursed Amount From Trust Less: Accumulated depreciation, depletion, and amortization Accumulated Depreciation Depletion And Amortization Property And Equipment Including Finance Lease Oil And Gas Properties Accumulated Depreciation Depletion And Amortization Property And Equipment Including Finance Lease Oil And Gas Properties Paid-In Capital Additional Paid-in Capital [Member] Line of credit facility, number of extension options Line Of Credit Facility, Number Of Extension Options Line Of Credit Facility, Number Of Extension Options Assets Total assets Assets Capitalized interest Interest Costs Capitalized Adjustment Changes in fair value of equity method interest gains (losses) Income (Loss) from Equity Method Investments Cover [Abstract] Cover [Abstract] USD Agreement USD Agreement [Member] USD Agreement Amortization of debt issuance costs Amortization of Debt Issuance Costs Number of subsidiaries Number Of Subsidiaries Number Of Subsidiaries Extractive Industries [Abstract] Extractive Industries [Abstract] Other Other Liabilities, Noncurrent Number of unsecured guaranties of obligations Number Of Unsecured Guaranties Of Obligations Number Of Unsecured Guaranties Of Obligations Total operating expenses Operating Expenses BUSINESS SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Oil and gas properties Oil and Gas Property, Successful Effort Method, Gross Apache Australia Operation Apache Australia Operation [Member] Apache Australia Operation [Member] NET DECREASE IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Schedule Of Significant Accounting Policies [Line Items] Schedule Of Significant Accounting Policies [Line Items] Schedule Of Significant Accounting Policies [Line Items] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Natural gas revenues Natural Gas [Member] Equity Component [Domain] Equity Component [Domain] Finance lease obligations, current Finance Lease, Liability, Current Debt Instrument [Line Items] Debt Instrument [Line Items] Receivables from contracts with customer, net Contract with Customer, Asset, after Allowance for Credit Loss Entity Current Reporting Status Entity Current Reporting Status Operating Income (Loss) Operating Income (Loss) Apache Midstream LLC Apache Midstream LLC [Member] Apache Midstream LLC REVENUES AND OTHER: Revenues [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] Redemption price, percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Environmental tax and royalty obligations Royalty Obligation Non Current Royalty Obligation Non Current Liabilities incurred Asset Retirement Obligation, Liabilities Incurred Noncontrolling interest - Altus Noncontrolling Interest, ALTM [Member] Noncontrolling Interest, ALTM [Member] Related Party Transaction [Axis] Related Party Transaction [Axis] Segments [Axis] Segments [Axis] Statement [Line Items] Statement [Line Items] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX: Other Comprehensive Income (Loss), Net of Tax [Abstract] Accrued exploration and development Accrued Exploration And Development Accrued exploration and development. Schedule of Debt Schedule of Debt [Table Text Block] Outstanding borrowings Long-Term Line of Credit Natural gas liquids revenues Natural Gas Liquids [Member] Noncontrolling interest – APA Corporation Noncontrolling Interest, APA Corporation [Member] Noncontrolling Interest, APA Corporation Other, net Other Sales Revenue (Losses) Net Other sales revenue (losses) net. Noncontrolling Interests Noncontrolling Interest [Member]