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Stock Disclosure. Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Aging of Capitalized Exploratory Well Costs, Period Range [Domain] Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Domain] Local Phone Number Local Phone Number Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Deferred income taxes Deferred Income Tax Liabilities, Net Components of other comprehensive income (loss): Component of Operating Income [Abstract] Treasury shares purchased (in shares) Stock Repurchased During Period, Shares Net (increase) decrease in operating working capital, excluding cash and cash equivalents: Increase (Decrease) in Operating Capital [Abstract] One to two years Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging, Period Two [Member] PEO Total Compensation Amount PEO Total Compensation Amount Debt Disclosure [Abstract] Debt Disclosure [Abstract] Sales of purchased natural gas Oil and Gas, Purchased [Member] Common Stock Common Stock [Member] Measure: Measure [Axis] Cumulative preferred stock, authorized shares (in shares) Preferred Stock, Shares Authorized Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Q4 2028 End Date Quarter 4 2028 [Member] End Date Quarter 4 2028 Entity Emerging Growth Company Entity Emerging Growth Company Liabilities Liabilities, Fair Value Disclosure Net crude oil and condensate revenue Oil [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] Environmental and Other Contingencies Environmental Loss Contingency Disclosure [Text Block] Entity Central Index Key Entity Central Index Key Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Foreign Currency Translation Gains (Losses) Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Revenue from production Oil and Gas, Exploration and Production [Member] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Reclassifications before taxes, included in net periodic benefit expense Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Cost of debt extinguishment, cash Cost Of Debt Extinguishment, Cash Cost Of Debt Extinguishment, Cash Time-based RSUs (Cash-Settled) Cash Settled Restricted Stock Units [Member] Cash Settled Restricted Stock Units [Member] Increase (decrease) in accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Equity Component [Domain] Equity Component [Domain] Cumulative preferred stock, par value (in USD per share) Preferred Stock, Par or Stated Value Per Share Present value of lease liabilities Operating and Finance Leases, Liability Operating and Finance Leases, Liability Financial Instrument [Axis] Financial Instrument [Axis] Q4 2024 End Date Quarter 4, 2024 No.3 [Member] End Date Quarter 4, 2024 No.3 Business Segments Segment Reporting Disclosure [Text Block] Commodity collars Commodity Collar [Member] Commodity Collar Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Deferred income taxes Deferred Tax Assets, Noncurrent Deferred Tax Assets, Noncurrent Reclassifications to income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax New Accounting Principles and Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Mark-to-market loss on contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Entity Shell Company Entity Shell Company Measurement Basis [Axis] Measurement Basis [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 2018 Revolving Credit Facility Revolving Credit Facility2018 [Member] Revolving Credit Facility 2018 [Member] Title Trading Arrangement, Individual Title Unsecured Debt Unsecured Debt [Member] Statement [Table] Statement [Table] LLOG Exploration Offshore L.L.C. and LLOG Bluewater Holdings, L.L.C. LLOG Exploration Offshore L.L.C. and LLOG Bluewater Holdings, L.L.C. [Member] LLOG Exploration Offshore L.L.C. and LLOG Bluewater Holdings, L.L.C. Measurement Frequency [Domain] Measurement Frequency [Domain] Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items] Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Line Items] Remaining performance obligation Revenue, Remaining Performance Obligation, Quantity Per Day Revenue, Remaining Performance Obligation, Quantity Per Day Less: Comprehensive income (loss) attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Consolidation Items [Domain] Consolidation Items [Domain] City Area Code City Area Code Current liabilities Liabilities, Current [Abstract] Interest paid, net of amounts capitalized of $7.8 million in 2024 and $6.8 million in 2023 Interest Paid, Excluding Capitalized Interest, Operating Activities Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Net (loss) gain from foreign currency translation Foreign currency translation (loss) gain, net of income taxes Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Total current assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Senior Notes Senior Notes [Member] Non-cash investing activities: Noncash Investing and Financing Items [Abstract] Unsuccessful exploration well costs and previously suspended exploration costs Unsuccessful Exploration Well Costs And Previously Suspended Exploration Costs (Credit) Unsuccessful Exploration Well Costs And Previously Suspended Exploration Costs (Credit) Average common shares outstanding Average Common Shares Outstanding [Abstract] Average Common Shares Outstanding Repurchase of common stock Payments for Repurchase of Common Stock Net decrease (increase) in noncash working capital Net decrease (increase) in noncash working capital Increase (Decrease) in Operating Capital Contributions to benefit plans Defined Benefit Plan, Plan Assets, Contributions by Employer Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Income Taxes Income Tax Disclosure [Text Block] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Four Earnings Per Share [Abstract] Earnings Per Share [Abstract] Equity [Abstract] Other taxes payable Accrual for Taxes Other than Income Taxes, Current Retained earnings Retained Earnings (Accumulated Deficit) (Increase) decrease in inventories Increase (Decrease) in Inventories Repayment of revolving credit facility Repayments of Long-Term Lines of Credit Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Operating leases Operating Lease, Weighted Average Discount Rate, Percent Operating lease liabilities Present value of lease liabilities Operating Lease, Liability Net cash required by financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Noncash Operating Working Capital (Increase) Decrease Cash Flow, Operating Capital [Table Text Block] Interest rate Line of Credit Facility, Interest Rate During Period Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Credit Facility [Axis] Credit Facility [Axis] Amendment Flag Amendment Flag Carrying Amount Reported Value Measurement [Member] Entity Registrant Name Entity Registrant Name Gain (loss) on sale of property plant equipment Gain (Loss) on Disposition of Property Plant Equipment Other Financial Information [Abstract] Other Financial Information [Abstract] Other Financial Information [Abstract] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation, depletion and amortization Depreciation, Depletion and Amortization Fair Value as of Grant Date Award Grant Date Fair Value Before reclassifications to income Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Level 2 Fair Value, Inputs, Level 2 [Member] Financing Arrangements and Debt Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Geographical [Domain] Geographical [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Other Locations Other Than Us Ca And My [Member] Locations Other Than US CA And MY [Member] Asset Retirement Obligation Disclosure [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date: Restatement Determination Date [Axis] Performance-based RSUs (ROACE) Return On Average Capital Employed Performance Based Restricted Stock Units [Member] Return On Average Capital Employed Performance Based Restricted Stock Units Title of 12(b) Security Title of 12(b) Security Common Stock, par $1.00, authorized 450,000,000 shares, issued 195,100,628 shares in 2024 and 195,100,628 shares in 2023 Common Stock, Value, Issued Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Balance at beginning of year Balance at end of period Balance at end of period Asset Retirement Obligation Discontinued operations (in USD per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Reclassifications, income tax expense Reclassification from AOCI, Current Period, Tax Activity in Number of Shares of Common Stock Issued and Outstanding Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Financing Activities Net Cash Provided by (Used in) Financing Activities [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] Offshore Offshore [Member] Offshore Petrobas America Inc Petrobas America Inc [Member] Petrobas America Inc [Member] Cumulative Preferred Stock, par $100, authorized 400,000 shares, none issued Preferred Stock, Value, Issued 2020 Long-Term Plan Long Term Incentive Plan Twenty Twenty [Member] 2020 Long-Term Plan [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Net income (in USD per share) Earnings Per Share, Basic Mexico MEXICO Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] February 7, 2024 February 7, 2024 [Member] February 7, 2024 Finance lease obligation payments Finance Lease, Principal Payments Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total current liabilities Liabilities, Current 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] Canada Onshore Canada Onshore [Member] Canada Onshore [Member] Total assets Total Assets Assets Costs of purchased natural gas Cost of Goods and Services Sold Contingent consideration, maximum Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Amount outstanding Long-Term Line of Credit Number of geographic segments (in segments) Number of Geographic Segments Number of Geographic Segments Grants in period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Deferred credits and other liabilities Other Liabilities, Noncurrent Aging of Capitalized Exploratory Well Costs [Axis] Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Axis] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Effective Income Tax Rates Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Total Operating and Finance Lease, Liability, Payment, Due [Abstract] Operating and Finance Lease, Liability, Payment, Due Termination Date Trading Arrangement Termination Date Operating Activities [Domain] Operating Activities [Domain] 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] Total revenues and other income External Revenues Revenues 2026 Lessee, Operating Lease, Liability, to be Paid, Year Two Incentive Plans Share-Based Payment Arrangement [Text Block] Entity Address, City or Town Entity Address, City or Town Number of offsetting positions (in offsetting positions) Number Of Offsetting Positions Number Of Offsetting Positions Debt Instrument [Axis] Debt Instrument [Axis] Compensation charged against income before tax benefit Share-Based Payment Arrangement, Expense NET INCOME ATTRIBUTABLE TO MURPHY Net income attributable to Murphy and noncontrolling interest Net Income (Loss) Attributable to Parent Other operating (income) expense Other Operating Income (Expense), Net Trading Arrangement: Trading Arrangement [Axis] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Business Acquisition [Axis] Business Acquisition [Axis] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] (Increase) decrease in capital expenditure accrual Increase (Decrease) In Capital Expenditure Accrual Increase (Decrease) In Capital Expenditure Accrual Entity File Number Entity File Number Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Well costs Beginning balance Ending balance Amount Oil and Gas, Capitalized Exploratory Well Cost Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Noncontrolling Interest Noncontrolling Interest [Member] Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Repurchase of common stock Repurchase of common stock Treasury Stock, Value, Acquired, Cost Method Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Number of foreign currency derivatives (in contracts) Number of Foreign Currency Derivatives Held Other accrued liabilities Other Accrued Liabilities, Current Name Forgone Recovery, Individual Name 2024 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Operating leases Operating Lease, Weighted Average Remaining Lease Term Award Date [Domain] Award Date [Domain] Document Period End Date Document Period End Date Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Insider Trading Arrangements [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] February 6, 2024 February 6, 2024 [Member] February 6, 2024 Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Continuing operations (in USD per share) Income (Loss) from Continuing Operations, Per Diluted Share Adjustment to Compensation: Adjustment to Compensation [Axis] Less: Net income (loss) attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Transportation, gathering and processing Transportation, Gathering and Processing Costs Transportation, Gathering and Processing Costs Retirement and postretirement benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Retained Earnings Retained Earnings [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Contracts to sell natural gas at USD index pricing Usd Index Pricing [Member] USD Index Pricing [Member] Long-term non-cash compensation Employee Benefit and Share-Based Payment Arrangement, Noncash Carrying Amounts and Estimated Fair Values of Financial Instruments Carrying Value And Fair Value Of Financial Instruments Disclosure [Table Text Block] Carrying Value and Fair Value of Financial Instruments Disclosure. Basic (in shares) Basic method (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Total equity Balance at beginning of period Balance at end of period Equity, Including Portion Attributable to Noncontrolling Interest RSUs Restricted Stock Units (RSUs) [Member] 6.375 Notes Due 2028 6.375 Notes Due 2028 [Member] 6.375 Notes Due 2028 Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Contract with Customer, Duration [Axis] Contract with Customer, Duration [Axis] Time-based RSUs (Stock-Settled) Time Based Restricted Stock Units [Member] Time-Based Restricted Stock Units [Member] Entity Filer Category Entity Filer Category Letter of Credit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name