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Accounts payable Increase (Decrease) in Accounts Payable Schedule of Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] COMPREHENSIVE INCOME INCLUDING NONCONTROLLING INTERESTS Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Decommissioning security for sold properties Decommissioning Security For Sold Properties, Current And Noncurrent Decommissioning Security For Sold Properties, Current And Noncurrent Debt Instrument [Axis] Debt Instrument [Axis] Apache credit facility Credit Facility, Apache [Member] Apache Credit Facility [Member] Proceeds from asset divestitures Proceeds from Sale of Oil and Gas Property and Equipment Oil and gas, excluding purchased Oil And Gas, Excluding Purchased [Member] Oil And Gas, Excluding Purchased [Member] Disposal Group Name [Axis] Disposal Group Name [Axis] Schedule of Debt Schedule of Debt [Table Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in USD per share) Income attributable to common stock (in USD per share) Earnings Per Share, Basic Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Purchased oil and gas Oil and Gas, Purchased [Member] Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Receivables, net of allowance of $125 and $140 Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings (accumulated deficit) Retained Earnings (Accumulated Deficit) Commodity derivative instruments Commodity derivative instruments Commodity Contract [Member] 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] Revenue from non-customers Revenue From Non-Customer Revenue From Non-Customer Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Derivative Settlement Index [Domain] Derivative Settlement Index [Domain] [Domain] for Derivative Settlement Index [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] 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] LIABILITIES, NONCONTROLLING INTERESTS, AND EQUITY Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Current debt Debt, Current Current asset retirement obligation Less current portion Asset Retirement Obligation, Current Noncontrolling interest Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Transaction, reorganization, and separation Transaction, reorganization, and separation Restructuring Charges Stock compensation awards Stock Options And Other [Member] Stock Options And Other [Member] Tabular List, Table Tabular List [Table Text Block] Paid-in capital Additional Paid in Capital Other, net Other Nonoperating Income (Expense) Asset retirement obligation accretion Asset retirement obligation accretion Accretion expense Asset Retirement Obligation, Accretion Expense APA SHAREHOLDERS’ EQUITY Parent [Member] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Name Awards Close in Time to MNPI Disclosures, Individual Name Basis Swap Purchased Basis Swap Purchased [Member] Basis Swap Purchased [Member] 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] Undiscounted reserve for environmental remediation Accrual for Environmental Loss Contingencies, Gross PROPERTY AND EQUIPMENT: Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization [Abstract] General and administrative General and administrative General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Decommissioning contingency for sold Gulf of 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Measure Name INCOME TAXES Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Other, net Other Noncash Income (Expense) Petroleum Reserves [Axis] Petroleum Reserves [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Derivative Instruments on Consolidated Balance Sheet and Statement of Consolidated Operations Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] 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] Entity Filer Category Entity Filer Category Line of credit facility, number of extension options Line Of Credit Facility, Number Of Extension Options Line Of Credit Facility, Number Of Extension Options USD Agreement USD Agreement [Member] USD Agreement Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Derivative instrument gains (losses), net Derivative instrument gains (losses), net Gain (Loss) on Derivative Instruments, Net, Pretax Energy [Axis] Energy [Axis] Lease operating expenses Lease operating expenses Operating Lease, Expense Company Selected Measure Amount Company Selected Measure Amount Depreciation, depletion, and amortization Depreciation, depletion, and amortization Depreciation, Depletion and Amortization Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Apache Australia Operation Apache Australia Operation [Member] Apache Australia Operation [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 Schedule Of Significant Accounting Policies [Line Items] Schedule Of Significant Accounting Policies [Line Items] Schedule Of Significant Accounting Policies [Line Items] CURRENT ASSETS: Assets, Current [Abstract] Total derivative liabilities Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Contingent consideration arrangements Contingent Consideration Arrangements [Member] Contingent Consideration Arrangements Entity Address, Address Line One Entity Address, Address Line One Gathering, processing, and transmission & purchased oil and gas costs (proceeds) Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] NET DECREASE IN CASH AND CASH EQUIVALENTS 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] Number of derivative counterparty Derivative, Number Of Counterparties Derivative, Number Of Counterparties 4.875% Notes due 2027 and 4.375% Notes due 2028 4.875% Notes due 2027 and 4.375% Notes due 2028 [Member] 4.875% Notes due 2027 and 4.375% Notes due 2028 Revisions in estimated liabilities Asset Retirement Obligation, Revision of Estimate Net income attributable to common stock Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Interest income Investment Income, Interest Total deferred credits and other noncurrent liabilities Liabilities, Other than Long-Term Debt, Noncurrent Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Accrued exploration and development Accrued Exploration And Development Accrued exploration and development. Standby loan agreed to provide related to ARO Standby Loan For Decommissioning Standby Loan For Decommissioning Capitalized exploratory well costs Oil and Gas, Capitalized Exploratory Well Cost REVENUES AND OTHER: Revenues [Abstract] 4.875% Notes due 2027 Four Point Eight Seven Five Percentage Notes Due Twenty Twenty Seven [Member] Four Point Eight Seven Five Percentage Notes Due Twenty Twenty Seven [Member] Other, net Other Sales Revenue (Losses) Net Other sales revenue (losses) net. Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]