NYMEX WTI NYMEX WTI [Member] NYMEX WTI Restricted cash minimum liquidity requirement Restricted Cash Minimum Liquidity Requirement, Percent Restricted Cash Minimum Liquidity Requirement, Percent Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Reclassification due to determination of proved reserves  Oil and Gas, Capitalized Exploratory Well Cost, Reclassification Based on Determination of Proved Reserve Commodity Commodity derivatives Commodity Contract [Member] Property and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Oil and gas assets Oil and gas assets Payments to Acquire Oil and Gas Equipment Award Timing Predetermined Award Timing Predetermined [Flag] 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Participation interest (as a percent) Participation Interest, Percentage Participation Interest, Percentage Two-way collars Two-Way Collars [Member] Two-Way Collars Asset Class [Axis] Asset Class [Axis] Entity File Number Entity File Number 7.500% Senior Notes 7.500% Senior Notes Due 2028 [Member] 7.500% Senior Notes Due 2028 Additional Paid-in Capital Additional Paid-in Capital [Member] Facility The Facility [Member] The Facility Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Leases [Abstract] Net loss per share: Earnings Per Share, Basic [Abstract] Three-way collars Three-Way Collars [Member] Represents a three-way collar derivative contract which establishes a floor and ceiling strike price along with either a sold put or purchased call strike price. Additional Financial Information Additional Financial Information Disclosure [Text Block] Recent Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Financing Leases Finance Lease, Liability [Abstract] Schedule of Major Classes of Assets and Liabilities Disposal Groups, Including Discontinued Operations [Table Text Block] Debt securities held in decommissioning trust fund Debt Securities [Member] Thereafter Long-Term Debt, Maturity, After Year Four Long-Term Debt, Maturity, After Year Four Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis [Axis] Measurement Basis [Axis] Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Increase (decrease) in accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Mauritania/Senegal Mauritania And Senegal [Member] Mauritania And Senegal [Member] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Additional Financial Information Additional Financial Information N/A Liabilities settled during period Asset Retirement Obligation, Liabilities Settled Schedule of Business Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Purchased call spread (usd per bbl) Derivative Average Purchased Call Derivative Average Purchased Call Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Total assets held for sale Disposal Group, Including Discontinued Operation, Assets Revisions in estimated retirement obligations Asset Retirement Obligation, Revision of Estimate Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk, percentage Concentration Risk, Percentage Equity-based compensation Share-Based Payment Arrangement, Noncash Expense 2029 Finance Lease, Liability, to be Paid, Year Three Life coverage ratio Debt Instrument, Field Life Coverage Ratio Debt Instrument, Field Life Coverage Ratio Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Cash and cash equivalents Cash and Cash Equivalents [Member] Exploratory well costs capitalized for a period of one year or less Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period of One Year or Less Unavailable capacity commitment fee percentage Line Of Credit Facility Unavailable Capacity Commitment Fee Percentage The commitment fees, expressed as a percentage of the then-applicable respective margin, for unavailable credit capacity under the credit facility. Total stockholders’ equity Balance at the beginning Balance at the end Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Derivative instruments, Location of Gain/(Loss) Derivative Instruments, Gain (Loss) [Line Items] Insider Trading Policies and Procedures [Line Items] Compensation expense recognized Share-Based Payment Arrangement, Expense Term April 2026 To December 2026 Term April 2026 To December 2026 [Member] Term April 2026 To December 2026 Schedule of Property and Equipment Property, Plant and Equipment [Table Text Block] Common shares, authorized shares (in shares) Common Stock, Shares Authorized Hedging Designation [Domain] Hedging Designation [Domain] Surety Bond Surety Bond [Member] Long-term debt Notes Payable, Fair Value Disclosure Public offering of common stock (in shares) Stock Issued During Period, Shares, New Issues Current assets: Assets, Current [Abstract] Total liabilities and stockholders’ equity Liabilities and Equity Recurring basis Fair Value, Recurring [Member] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Long-term Liabilities Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent [Abstract] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Suspended Well Costs Oil and Gas, Capitalized Exploratory Well Cost [Text Block] Cover [Abstract] Cover [Abstract] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Debt Instrument, Redemption, Change Of Control Debt Instrument, Redemption, Change Of Control [Member] Debt Instrument, Redemption, Change Of Control National Oil Companies of Mauritania And Senegal National Oil Companies Of Mauritania And Senegal [Member] National Oil Companies Of Mauritania And Senegal [Member] Total undiscounted lease payments Lessee, Financial Lease, Liability, To Be Paid Lessee, Financial Lease, Liability, To Be Paid Consolidated capital expenditures, net Total consolidated capital expenditures, net Segment, Expenditure, Addition to Long-Lived Assets Accounting Policies [Abstract] Accounting Policies [Abstract] Schedule of Future Minimum Rental Commitments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Outstanding Restricted Stock Units Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Treasury Stock Treasury Stock, Common [Member] Fair value of awards vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Tiberius Tiberius [Member] Tiberius Total lease liabilities Operating Lease, Liability Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Less than 5 years Debt Securities, Trading, Amortized Cost Excluding Accrued Interest, After Allowance For Credit Loss, Maturity, Allocated And Single Maturity Date, Less Than Five Years Debt Securities, Trading, Amortized Cost Excluding Accrued Interest, After Allowance For Credit Loss, Maturity, Allocated And Single Maturity Date, Less Than Five Years Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Volume (mbbls) Volume (mbbls) Derivative, Nonmonetary Notional Amount, Volume Oil And Gas Blocks [Domain] Oil And Gas Blocks [Domain] Represents the activity by individual oil and gas blocks. Loss before income taxes Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Long-term liabilities held for sale Total long-term liabilities Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Entity Shell Company Entity Shell Company Schedule of Carrying Values and Fair Values of Financial Instruments that are not Carried at Fair Value Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Other long-term liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Share sale and purchase agreement, cash consideration Share Sale And Purchase Agreement, Consideration Transferred Share Sale And Purchase Agreement, Consideration Transferred Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] 8.750% Senior Notes 8.750% Senior Notes Due 2031 [Member] 8.750% Senior Notes Due 2031 Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Current maturities of long-term debt Less: Current maturities of long-term debt Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] GoA Term Loan Facility GoA Term Loan Facility [Member] GoA Term Loan Facility Name Measure Name Schedule of Components of Income (Loss) Before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Letter of Credit Letter of Credit [Member] United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Secured Debt Secured Debt [Member] Accrued liabilities (current maturities of leases) Operating Lease, Liability, Current Carry Advance Agreements Carry Advance Agreements [Member] Carry Advance Agreements [Member] Deferred tax liabilities Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Long-term receivables Long-term receivables Oil and Gas, Joint Interest Billing, Receivable, Noncurrent Derivative instruments, Balance Sheet Location Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Award Type [Axis] Award Type [Axis] Total debt, net Long-Term Debt Current liabilities: Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract] Total assets Total assets Assets Trading Symbol Trading Symbol Provisional sales contracts Provisional Oil Sales [Member] Provisional Oil Sales [Member] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Floor (usd per bbl) Derivative, Average Floor Price Share sale and purchase agreement, participating interest Share Sale And Purchase Agreement, Participating Interest Share Sale And Purchase Agreement, Participating Interest Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Geographical [Domain] Geographical [Domain] Debt instrument, asset coverage ratio Debt Instrument, Asset Coverage Ratio Debt Instrument, Asset Coverage Ratio Entity Address, City or Town Entity Address, City or Town Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Unrealized Gain (Loss) Debt Securities, Trading, Unrealized Gain (Loss) Derivatives, net Gain (Loss) on Commodity Derivative Instruments, Net Pretax Aggregate net gain (loss) on commodity derivative instruments recognized in earnings during the period, before tax effects. Service Vesting Restricted Stock Units Service Vesting Restricted Stock Units [Member] Represents information pertaining to the restricted stock units with service vesting criteria. Asset retirement obligations: Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Assets: Assets, Fair Value Disclosure [Abstract] Oil and Gas Operating Agreements [Axis] Oil and Gas Operating Agreements [Axis] Represents the activity related to oil and gas operating agreements. Entity Emerging Growth Company Entity Emerging Growth Company 2029 Long-Term Debt, Maturity, Year Three Capitalized Contract Cost [Table] Capitalized Contract Cost [Table] Impairment of long-lived assets Impairment, Long-Lived Asset, Held-for-Use 2027 Finance Lease, Liability, to be Paid, Year One Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Costs and Fair Values of Investments in Debt Securities in Decommissioning Trust Fund Debt Securities, Held-to-Maturity [Table Text Block] Exploratory well costs capitalized for a period of six to ten years Oil and Gas, Capitalized Exploratory Well Cost, Capitalized For Period Of Six Years To Ten Years Oil and Gas, Capitalized Exploratory Well Cost, Capitalized For Period Of Six Years To Ten Years Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Other property, net Property, Plant and Equipment, Other, Net Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Deferred interest Deferred Interest, Net Amount of deferred interest during the period. Liabilities held for sale Proceeds from Sale, Loan, Held-for-Sale [Abstract] Oil and gas revenue Oil and Gas [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Less: Imputed interest Finance Lease, Liability, Undiscounted Excess Amount GoA Term Loan Facility, Tranche Two GoA Term Loan Facility, Tranche Two [Member] GoA Term Loan Facility, Tranche Two Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Lease Contractual Term [Domain] Lease Contractual Term [Domain] Dated Brent Dated Brent [Member] Dated Brent [Member] Schedule of Oil and Gas Revenue Disaggregation of Revenue [Table Text Block] Term April 2026 To December 2026 2 Term April 2026 To December 2026 2 [Member] Term April 2026 To December 2026 2 Income taxes Accrued Income Taxes, Current Net Proceeds Debt Securities, Trading, Sale Debt Securities, Trading, Sale Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] 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] Current assets: Disposal Group, Including Discontinued Operation, Assets, Current [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Accumulated Deficit Retained Earnings [Member] Prepaid expenses and other Prepaid Expense and Other Assets, Current Market / Service Vesting Restricted Stock Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Debt instrument, interest rate (as a percent) Debt Instrument, Interest Rate, Effective Percentage Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Total cash, cash equivalents and restricted cash in the consolidated statements of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Derivative asset, fair value Derivative Asset Income tax expense (benefit) Income tax expense (benefit) Income Tax Expense (Benefit) Applicable margin (as a percent) Debt Instrument, Basis Spread on Variable Rate LTIP Long Term Incentive Plan [Member] Represents the details pertaining to Long-Term Incentive Plan, which provides for the granting of incentive awards. Interest expense Interest Expense [Member] Other Other Assets Shell Trading (US) Company Shell Trading (US) Company [Member] Shell Trading (US) Company [Member] Derivatives Derivatives liabilities—long-term Derivative Liability, Noncurrent Contribution to decommissioning trust fund Payments to Acquire Investments to be Held in Decommissioning Trust Fund Preference shares, issued shares (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Customer Concentration Risk Customer Concentration Risk [Member] Oil and gas properties, net Oil and Gas, Successful Efforts Method, Property and Equipment, after Accumulated Depreciation, Depletion, Amortization, and Impairment Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Term January 2027 To December 2027 Term January 2027 To December 2027 [Member] Term January 2027 To December 2027 Liabilities incurred during period Asset Retirement Obligation, Liabilities Incurred Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Redemption Price Debt Instrument Redemption [Table Text Block] Exploratory well costs capitalized for a period of one to five years Oil And Gas, Capitalized Exploratory Well Costs , Capitalized For Period Of One Year To Five Years Oil And Gas, Capitalized Exploratory Well Costs , Capitalized For Period Of One Year To Five Years Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Less than 5 years Debt Securities, Trading, Fair Value, Maturity, Allocated And Single Maturity Date, Less Than Five Years Debt Securities, Trading, Fair Value, Maturity, Allocated And Single Maturity Date, Less Than Five Years City Area Code City Area Code Acquisitions and Divestitures Mergers, Acquisitions and Dispositions Disclosures [Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Interest income Other Nonoperating Income All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Redemption price percentage (as a percent) Debt Instrument, Redemption Price, Percentage Capitalized interest Interest Costs Capitalized Accrued liabilities Accrued liabilities Accrued Liabilities, Current Outstanding at beginning of the period (in shares) Outstanding at end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Business Combination, Consideration Transferred, Equity Interest [Table] Business Combination, Consideration Transferred, Equity Interest [Table] Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Facility, February 2026 Amendment, Excluding Mauritania And Senegal Business Units Facility, February 2026 Amendment, Excluding Mauritania And Senegal Business Units [Member] Facility, February 2026 Amendment, Excluding Mauritania And Senegal Business Units Debt term (in years) Debt Instrument, Term Net deferred premium payable/(receivable) (usd per bbl) Derivative Weighted Average Deferred Premium Per Barrel Net Derivative Weighted Average Deferred Premium Per Barrel Net Preference shares, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Debt Instrument, Redemption, Period Three Debt Instrument, Redemption, Period Three [Member] 2030 Finance Lease, Liability, to be Paid, Year Four Swaps Swap [Member] Lease Contractual Term [Axis] Lease Contractual Term [Axis] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] 5 years to 10 years Debt Securities, Trading, Amortized Cost Excluding Accrued Interest, after Allowance For Credit Loss, Maturity, Allocated And Single Maturity Date, After Year 5 Through 10 Debt Securities, Trading, Amortized Cost Excluding Accrued Interest, after Allowance For Credit Loss, Maturity, Allocated And Single Maturity Date, After Year 5 Through 10 Accrued Liabilities Disposal Group, Including Discontinued Operation, Accrued Liabilities Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Restricted stock units Stock Issued During Period, Value, Restricted Stock Award, Gross Organization Nature of Operations [Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Interest and other financing costs, net Interest and other financing costs, net Interest and other financing costs, net Interest Expense (Income), Net Interest costs charged to earnings during the period, including amortization of deferred financing costs, other financing costs, loss on extinguishment of debt, and net of interest income. Number of reportable segments Number of Reportable Segments Oil and gas revenue Sales [Member] Weighted Average Price per Bbl Weighted Average Dated Brent Price per Bbl [Abstract] Weighted Average Dated Brent Price Per Bbl [Abstract] Debt Instrument, Cover Ratio [Axis] Debt Instrument, Cover Ratio [Axis] Debt Instrument, Cover Ratio Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Supplemental cash flow information Supplemental Cash Flow Information [Abstract] Exploration expenses Exploration Expense Swap (usd per bbl) Derivative, Swap Type, Average Fixed Price Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Payments on finance lease Finance Lease, Principal Payments Non-current assets held for sale Total non-current assets Disposal Group, Including Discontinued Operation, Assets, Noncurrent Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Total current liabilities Liabilities, Current Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Capitalized interest Interest Costs Capitalized Adjustment Derivative Instrument [Axis] Derivative Instrument [Axis] Restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Individual: Individual [Axis] Leases Lessee, Finance Leases [Text Block] Additional paid-in capital Additional Paid in Capital, Common Stock Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation 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] Derivatives Derivatives assets—long-term Derivative Asset, Noncurrent Interest, net of capitalized interest Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Due after 10 years Debt Securities, Trading, Fair Value, Maturity, Allocated And Single Maturity Date, After Year 10 Debt Securities, Trading, Fair Value, Maturity, Allocated And Single Maturity Date, After Year 10 Restricted cash required Restricted Cash Required, Contractual Future Payments Restricted Cash Required, Contractual Future Payments General Basis of Accounting, Policy [Policy Text Block] Other assets (right-of-use assets) Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Increase in inventories and prepaid expenses Increase (Decrease) in Inventories And Prepaid Expense Increase (Decrease) in Inventories And Prepaid Expense Oil And Gas Operating Agreements [Domain] Oil And Gas Operating Agreements [Domain] Represents activity by specific oil and gas operating agreements. Effective tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Beginning balance  Ending balance  Ending balance Oil and Gas, Capitalized Exploratory Well Cost Plan Name [Domain] Plan Name [Domain] Carrying Value Reported Value Measurement [Member] Weighted average period over which compensation expense is to be recognized (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Receivables Long-term Receivables Disclosure [Text Block] Represents all disclosure related to joint interest billings in one text block. Number of projects that have exploratory well costs that have been capitalized for a period greater than one year Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Number of Projects Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Net tax (windfall) shortfall related to equity-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount Business Segment Information Segment Reporting Disclosure [Text Block] Fair Value Measurements Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Derivatives not designated as hedging instruments Not Designated as Hedging Instrument [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Percent threshold target for grants and forfeitures (as a percent) Share Based Compensation Arrangement by Share Based Payment Award, Percentage Threshold Target For Grants And Forfeitures Share Based Compensation Arrangement by Share Based Payment Award, Percentage Threshold Target For Grants And Forfeitures Increase (Decrease) in Shareholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Accumulated depletion Oil and Gas, Successful Efforts Method, Property and Equipment, Accumulated Depreciation, Depletion, and Amortization Interval period for payment of interest (in months) Interest Payment Interval Period Interest Payment Interval Period Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] 2028 Finance Lease, Liability, to be Paid, Year Two Deferred tax assets Deferred Income Tax Assets, Net Joint interest billings, net Oil and Gas, Joint Interest Billing, Receivable, Current Exploration, development and production Accrued Exploration Development and Production Costs, Current Carrying value as of the balance sheet date of exploration, development and production costs that are incurred and payable. It is used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Depletion, depreciation and amortization (including deferred financing costs) Depreciation, Depletion and Amortization Net proceeds from issuance of senior notes and bonds Proceeds From Issuance Of Senior Notes And Bonds Proceeds From Issuance Of Senior Notes And Bonds Interest Interest Payable, Current Debt instrument, conversion ratio Debt Instrument, Convertible, Conversion Ratio Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key Total Debt Securities, Trading, Maturity, Allocated And Single Maturity Date, Fair Value Debt Securities, Trading, Maturity, Allocated And Single Maturity Date, Fair Value Other property Property, Plant and Equipment, Other, Gross PEO Name PEO Name Beginning asset retirement obligations Ending asset retirement obligations in the consolidated balance sheets Asset Retirement Obligation Derivative Contract Term [Domain] Derivative Contract Term [Domain] This element represents individual derivative contract terms. Debt instrument, conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Schedule of Estimated Repayments of Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Oil and gas revenue Oil and gas revenue Revenues Proceeds from issuance Sale of Stock, Consideration Received on Transaction Provisional sales contracts Total derivatives not designated as hedging instruments Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Shares issuable assuming conversion of Convertible Senior Notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving credit facility Revolving Credit Facility Revolving Credit Facility [Member] Total oil and gas properties Oil and Gas, Successful Efforts Method, Property and Equipment, before Accumulated Depreciation, Depletion, Amortization, and Impairment Accrued liabilities Total lease liabilities Finance lease liability Finance Lease, Liability Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Interest and Other Financing Costs, Net Schedule Of Interest And Other Financing Costs [Table Text Block] Tabular disclosure of the detailed components of interest and other financing costs. Revenue payable Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Schedule of Derivative Instruments by Balance Sheet Location Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Joint Interest Billings Joint Interest Billings, Policy [Policy Text Block] Joint Interest Billings, Policy Exercise Price Award Exercise Price Unamortized deferred financing costs and discounts Debt Instrument Unamortized Issuance Costs And Discounts The remaining amount of debt issuance costs and discounts that were originally capitalized and have yet to be amortized. Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Debt cover ratio Debt Instrument, Covenant, Debt Cover Ratio Debt Instrument, Covenant, Debt Cover Ratio Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Equity-based Compensation Share-Based Payment Arrangement [Text Block] Unproved properties Oil and Gas, Successful Efforts Method, Property and Equipment, Unproved Property, before Accumulated Depreciation, Depletion, Amortization, and Impairment Assets Assets [Abstract] Long-term debt, net Long-Term Debt, Excluding Current Maturities Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Market/Service Vesting Restricted Stock Units Market/Service Vesting Restricted Stock Units Market And Service Vesting Restricted Stock Units [Member] Represents information pertaining to the restricted stock units with market and service vesting criteria. Debt Instrument [Axis] Debt Instrument [Axis] Cash included in assets held for sale Cash and cash equivalents Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Notes receivable and other investing activities Payments To Acquire Notes Receivable And Other Investing Activities Payments To Acquire Notes Receivable And Other Investing Activities Debt modifications and extinguishments Gain (Loss) on Extinguishment of Debt Credit Facility [Domain] Credit Facility [Domain] Stockholders’ equity: Equity, Attributable to Parent [Abstract] Derivatives Derivatives liabilities—current Derivative Liability, 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] Entity Address, Address Line One Entity Address, Address Line One Interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Other long-term liabilities (non-current maturities of leases) Operating Lease, Liability, Noncurrent Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Restricted cash minimum liquidity requirement increases, non current Restricted Cash Minimum Liquidity Requirement Increases, Non Current Restricted Cash Minimum Liquidity Requirement Increases, Non Current Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Oil and Gas Blocks [Axis] Oil and Gas Blocks [Axis] Represents activity related to various oil and gas blocks. Disposal Group, Held-for-Sale, Not Discontinued Operations Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] 7.125% Senior Notes Senior Notes 7.125% Due 2026 [Member] Senior Notes 7.125% Due 2026 [Member] Other Other [Member] Other Total liabilities held for sale Disposal Group, Including Discontinued Operation, Liabilities Schedule of Debt Schedule of Long-Term Debt Instruments [Table Text Block] Restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Supply commitment, volume of LNG supplied per annum Supply Commitment, Volume Of Liquified Natural Gas, Supplied Per Annum Supply Commitment, Volume Of Liquified Natural Gas, Supplied Per Annum Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Total costs and expenses Costs and Expenses Forfeited (in shares) Share-Based Compensation Arrangement by 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Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Number of operating geographic areas Number of Operating Segments Sir John Grant [Member] Sir John Grant Operating Leases Leases, Operating [Abstract] Share sale and purchase agreement, future contingent consideration Share Sale And Purchase Agreement, Contingent Consideration Share Sale And Purchase Agreement, Contingent Consideration Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Grant date fair value of awards granted (in dollars per share) Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Title Trading Arrangement, Individual Title Peer Group Total Shareholder 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Liability, to be Paid, Year One Non-current assets: Disposal Group, Including Discontinued Operation, Assets, Noncurrent [Abstract] Equity Awards Adjustments Equity Awards Adjustments [Member] Other Other Noncash Income (Expense) Exploration expense, excluding unsuccessful well costs and leasehold impairments Oil and Gas, Cost Incurred, Exploration Cost Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Debt, face amount Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Other Other Capital Expenditure Expense Other Capital Expenditure Expense Oil and gas production Operating Costs and Expenses Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Estimate of Fair Value Measurement [Member] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Accumulated depreciation Property, Plant and Equipment, Other, Accumulated Depreciation Long-term receivables Oil and Gas, Long-term Receivable Oil and Gas, Long-term Receivable Name Awards Close in Time to MNPI Disclosures, Individual Name GoA Term Loan Facility, Tranche One GoA Term Loan Facility, Tranche One [Member] GoA Term Loan Facility, Tranche One Outstanding at beginning of the period (in dollars per share) Outstanding at end of the period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Equatorial Guinea Equatorial Guinea Segment [Member] Equatorial Guinea Segment [Member] Deferred tax liabilities Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities Revenues and other income: Revenues [Abstract] 2026 Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Equity-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Treasury stock, at cost, 44,263,269 shares at March 31, 2026 and December 31, 2025, respectively Treasury Stock, Value 2027 Long-Term Debt, Maturity, Year One Financial Instruments [Domain] Financial Instruments [Domain] Additions to capitalized exploratory well costs pending the determination of proved reserves  Oil and Gas, Capitalized Exploratory Well Cost, Addition Pending Determination of Proved Reserve 11.250% Senior Secured Bonds 11.250% Senior Secured Bonds Due 2031 [Member] 11.250% Senior Secured Bonds Due 2031 Segments [Domain] Segments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Undrawn availability Line of Credit Facility, Remaining Borrowing Capacity Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Thereafter Finance Lease, Liability, To Be Paid, After Year Four Finance Lease, Liability, To Be Paid, After Year Four Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Inventories Inventory, Net Exercise put option, repurchased Debt Instrument, Put Option, Repurchased Percent Debt Instrument, Put Option, Repurchased Percent Minimum Minimum [Member] Accretion expense Asset Retirement Obligation, Accretion Expense Company Selected Measure Name Company Selected Measure Name Bureau Of Ocean Energy Management and Other Third Parties Bureau Of Ocean Energy Management and Other Third Parties [Member] Bureau Of Ocean Energy Management and Other Third Parties[Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Asset retirement obligations Disposal Group, Including Discontinued Operation, Asset Retirement Obligations Disposal Group, Including Discontinued Operation, Asset Retirement Obligations Senior Notes Senior Notes [Member] Debt Debt Disclosure [Text Block] Preference shares, $0.01 par value; 200,000,000 authorized shares; zero issued at March 31, 2026 and December 31, 2025 Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Common stock, $0.01 par value; 2,000,000,000 authorized shares; 637,413,155 and 522,590,223 issued at March 31, 2026 and December 31, 2025, respectively Common Stock, Value, Issued Property and equipment, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization Other, net Interest And Other Financing Costs Other Net Other net interest income expense incurred during the period. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Total derivatives not designated as hedging instruments Derivative Assets (Liabilities), at Fair Value, Net Other assets: Other Assets, Noncurrent [Abstract] Changes in capital accruals Increase (Decrease) In Capital Accruals Increase (Decrease) In Capital Accruals Mauritania|Senegal Mauritania/Senegal [Member] Mauritania/Senegal Diluted (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Depletion, depreciation and amortization Oil and Gas, Result of Operation, Depreciation, Depletion, Amortization, and Accretion 3.125% Convertible Senior Notes 3.125% Convertible Senior Notes Due 2030 [Member] 3.125% Convertible Senior Notes Due 2030 Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Receivables Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Of Receivables Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Of Receivables Business Combination [Axis] Business Combination [Axis] Cash, Cash Equivalents and Restricted Cash Restricted Cash and Investments [Abstract] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Restricted Cash and Cash Equivalent Item [Line Items] Restricted Cash and Cash Equivalent Item [Line Items] Document Transition Report Document Transition Report Interest expense Interest Costs Incurred Schedule of Consolidated Oil and Gas Revenue Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Underlying Securities Award Underlying Securities Amount Payments on long-term debt Repayments of Other Long-Term Debt Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income Taxes Income Tax Disclosure [Text Block] Period for contractual future interest payments Restricted Cash Required, Period For Contractual Future Payments Restricted Cash Required, Period For Contractual Future Payments Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Depletion expense Depletion of Oil and Gas Properties Ghana GHANA Hedging Designation [Axis] Hedging Designation [Axis] Scenario [Axis] Scenario [Axis] Oil and Gas Joint Interest Billing Receivables [Table] Oil and Gas Joint Interest Billing Receivables [Table] Schedule of net carrying value as of the Balance Sheet date of accounts receivable attributable to joint interest partners in oil and gas properties. Also includes details pertaining to the information regarding the unit holders. Schedule of Capitalized Exploratory Well Costs Oil and Gas, Capitalized Exploratory Well Cost, Roll Forward [Table Text Block] Term April 2026 To December 2026 1 Term April 2026 To December 2026 1 [Member] Term April 2026 To December 2026 1 Business Combination, Consideration Transferred, Equity Interest [Line Items] Business Combination, Consideration Transferred, Equity Interest [Line Items] Cash settlements on commodity hedges derivatives Cash Settlements On Commodity Derivatives Net Represents the amount of cash settlements on commodity derivatives net Participating interest percentage acquired (as a percent) Business Acquisition, Percentage Of Participating Interest Acquired Business Acquisition, Percentage Of Participating Interest Acquired Inventories Disposal Group, Including Discontinued Operation, Inventory Document Type Document Type Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Equatorial Guinea EQUATORIAL GUINEA Net Loss Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Product and Service [Axis] Product and Service [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Asset Acquisition [Domain] Asset Acquisition [Domain] Net proceeds from issuance of common stock Proceeds from Issuance of Common Stock Total revenues from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Required performance bonds Required Performance Bonds Required Performance Bonds All Individuals All Individuals [Member] Ending asset retirement obligations Asset Retirement Obligation, Gross Asset Retirement Obligation, Gross Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Ceiling (usd per bbl) Derivative, Average Cap Price Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] (Increase) decrease in receivables Increase (Decrease) in Receivables Gross purchase price Asset Acquisition, Consideration Transferred Name Forgone Recovery, Individual Name Change in fair value of derivatives Unrealized Gain (Loss) on Derivatives Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] 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] Aging of capitalized exploratory well costs and number of projects for which exploratory well costs were capitalized for more than one year Oil and Gas, Capitalized Exploratory Well Cost [Abstract] Disposal Group Classification [Axis] Disposal Group Classification [Axis] TEN FPSO Lease TEN FPSO Lease [Member] TEN FPSO Lease Materials and supplies inventory Inventory, Supplies, Net of Reserves Other current receivables Other Receivables, Net, Current Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Accrued liabilities: Accrued Liabilities, Current [Abstract] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Reconciliation of capitalized exploratory well costs on completed wells Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward] Current liabilities: Liabilities, Current [Abstract] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Geographical [Axis] Geographical [Axis] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Schedule of Derivative Instruments by Location of Gain/(Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Oil and Gas Exploration and Production Industries Disclosures [Abstract] Oil and Gas Disclosure [Abstract] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Estimated decommissioning costs Estimated Decommissioning Costs Estimated Decommissioning Costs Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Assets held for sale Asset, Held-for-Sale, Not Part of Disposal Group [Abstract] Diluted (in dollars per share) Earnings Per Share, Diluted Forecast Forecast [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Derivatives Derivative Liability, Settled, Current Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable for settled derivative contracts. 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Restrictions on Cash and Cash Equivalents [Table] Restrictions on Cash and Cash Equivalents [Table] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Total Debt Securities, Trading, Amortized Cost Excluding Accrued Interest, After Allowance For Credit Loss, Maturity, Allocated And Single Maturity Date Debt Securities, Trading, Amortized Cost Excluding Accrued Interest, After Allowance For Credit Loss, Maturity, Allocated And Single Maturity Date Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preference shares, authorized shares (in shares) Preferred Stock, Shares Authorized Adoption Date Trading Arrangement Adoption Date Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Inventories Inventory, Policy [Policy Text Block] BP plc BP plc [Member] BP plc Entity Current Reporting Status Entity Current Reporting Status Operating lease, initial term Lessee, Operating Lease, Term of Contract Receivables [Abstract] Derivative Financial Instruments Derivative [Line Items] Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Accumulated deficit Retained Earnings (Accumulated Deficit) Debt securities held in decommissioning trust fund Decommissioning Fund Investments, Fair Value Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [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] Executive Category: Executive Category [Axis] Supply commitment, volume of LNG Supply Commitment, Volume Of Liquified Natural Gas Supply Commitment, Volume Of Liquified Natural Gas Asset retirement obligations Asset Retirement Obligations, Noncurrent Repayment of debt Repayments of Debt Other income, net Other Operating Income (Expense), Net Debt Instrument, Cover Ratio [Domain] Debt Instrument, Cover Ratio [Domain] Debt Instrument, Cover Ratio [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Gulf of America Gulf Of America [Member] Gulf Of America Subsequent Event Type [Domain] Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Liabilities held for sale Total current liabilities Disposal Group, Including Discontinued Operation, Liabilities, Current Schedule of Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Weighted-Average Grant-Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Number of shares remaining available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Statement [Table] Statement [Table] Other expenses, net Other Nonoperating Income (Expense) Commodity derivatives Derivative Liability Accounts Payable Disposal Group, Including Discontinued Operation, Accounts Payable Deferred income taxes Deferred Income Tax Expense (Benefit) Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Commitment fees percentage Line Of Credit Facility Available Capacity Commitment Fees Percentage The commitment fees, expressed as a percentage of the then-applicable respective margin, for available but unused credit capacity under the credit facility. Revenue Benchmark Revenue Benchmark [Member] Interest rate Interest Rate Contract [Member] 7.750% Senior Notes 7.750% Senior Notes Due 2027 [Member] 7.750% Senior Notes Due 2027 Balance at the beginning (in shares) Balance at the end (in shares) Shares, Issued Receivables Total receivables Receivables, Net, Current Interest income, long-term notes receivable Interest Income, Long-Term Notes Receivable Interest Income, Long-Term Notes Receivable Schedule of Company's Assets and Liabilities that are Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Term January 2027 To June 2027 Term January 2027 To June 2027 [Member] Term January 2027 To June 2027 Number of tranches Number Of Tranches Number Of Tranches Derivative Contract Term [Axis] Derivative Contract Term [Axis] Represents the grouping of derivative contract terms. Proceeds from debt, net of issuance costs Proceeds from Debt, Net of Issuance Costs Outstanding restricted stock units excluded from the computations of diluted net income per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Repurchase and redemption of senior notes Repayments of senior notes Repayments of Unsecured Debt Weighted average number of shares used to compute net loss per share: Weighted average number of shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Sale of stock, par value (in dollars per share) Sale of Stock, Price Per Share Tax benefit Share-Based Payment Arrangement, Expense, Tax Benefit Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Derivative Trading Index [Domain] Derivative Trading Index [Domain] [Domain] for Derivative Trading Index [Axis] 2028 Long-Term Debt, Maturity, Year Two Due after 10 years Debt Securities, Trading, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated And Single Maturity Date, After Year 10 Debt Securities, Trading, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated And Single Maturity Date, After Year 10 Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date General and administrative expenses Accrued General and Administrative Expenses, Current Carrying value as of the balance sheet date of expenses of managing and administering the affairs of the entity that are incurred and payable. It is used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Thereafter Lessee, Operating Lease, Liability, To Be Paid, After Year Four Lessee, Operating Lease, Liability, To Be Paid, After Year Four Less liabilities held for sale Asset Retirement Obligation, Liabilities Held For Sale Asset Retirement Obligation, Liabilities Held For Sale Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Disposal Group Classification [Domain] Disposal Group Classification [Domain] Schedule of Reconciliation Between Compute Basic and Diluted Net Loss Per Share and Weighted Average Share Outstanding Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Facility, July 2025 Amendment Facility, July 2025 Amendment [Member] Facility, July 2025 Amendment Restricted cash Restricted cash - long-term Restricted Cash and Cash Equivalent, Noncurrent Capitalized Contract Cost [Line Items] Capitalized Contract Cost [Line Items] Segment Reporting [Abstract] Segment Reporting [Abstract] Prepaid expenses and other Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Unsuccessful well costs and leasehold impairments Impairment, Oil and Gas, Property with Unproved Reserve Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk-free interest rate (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Amortization—deferred financing costs Amortization of Debt Issuance Costs TEN FPSO TEN FPSO [Member] TEN FPSO Facility, February 2026 Amendment Facility, February 2026 Amendment [Member] Facility, February 2026 Amendment Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Costs and expenses: Costs and Expenses [Abstract] Keathley Canyon Blocks 920 And 964 offshore Gulf of America Keathley Canyon Blocks 920 And 964 offshore Gulf of America [Member] Keathley Canyon Blocks 920 And 964 offshore Gulf of America Asset Acquisition [Axis] Asset Acquisition [Axis] Schedule of Oil Derivative Contracts and Interest Rate Swap Schedule of Price Risk Derivatives [Table Text Block] Derivatives, net Derivative [Member] Vesting percentage of the awards granted (as a percent) Vesting percentage of the awards granted (as a percent) Share Based Compensation Arrangement by Share Based Payment Award, Award Vesting Percentage Represents the percentage the granted awards can potentially vest up to. Unamortized deferred financing costs Debt Instrument, Unamortized Discount Inventories Inventory, Net [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Call Spread Call Spread [Member] Call Spread Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Equity-based Compensation Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Sold put (usd per bbl) Derivative Sold Put Average Price Risk Option Strike Price Derivative Sold Put Average Price Risk Option Strike Price Common shares, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common shares, issued shares (in shares) Common Stock, Shares, Issued 2030 Long-Term Debt, Maturity, Year Four Facility Interest or Senior Notes Facility Interest Or Senior Notes, Whichever is Greater [Member] Facility interest Or Senior Notes , Whichever is Greater Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Taxes other than income Accrual for All Other Taxes Current Carrying value as of the balance sheet date of obligations incurred and payable for taxes other than income taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Schedule of Other Information Leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Derivatives Derivatives assets—current Derivative Asset, Current Total Shareholder Return Amount Total Shareholder Return Amount Insider Trading Arrangements [Line Items] Corporate & Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Oil and gas sales Oil and Gas Joint Interest Billing Receivables, Oil And Gas Sales, Current Oil and Gas Joint Interest Billing Receivables, Oil And Gas Sales, Current 2026 Long-Term Debt, Maturity, Remainder of Fiscal Year Total long-term liabilities Liabilities, Noncurrent Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Capitalized exploratory well costs charged to expense  Oil and Gas, Capitalized Exploratory Well Cost, Charged to Expense Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Asset Class [Domain] Asset Class [Domain] Public offering of common stock Stock Issued During Period, Value, New Issues Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Commitments estimated period Estimated Decommissioning Costs, Funding Period Estimated Decommissioning Costs, Funding Period Assets and Liabilities Held for Sale Assets And Liabilities Held For Sale [Policy Text Block] Assets And Liabilities Held For Sale Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Common Shares Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Derivative Trading Index [Axis] Derivative Trading Index [Axis] Derivative Trading Index [Axis]