Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Largest customer Largest Customer [Member] Largest Customer Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Redomestication Redomestication Redomestication Title of 12(b) Security Title of 12(b) Security Net Income Attributable to Weatherford and Available to Shareholders, Diluted Net Income (Loss) Available to Common Stockholders, Diluted Carrying Value Reported Value Measurement [Member] Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Adjustment to Compensation, Amount Adjustment to Compensation Amount Accordion feature, increase up to Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Customer [Axis] Customer [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] Less: Impact of Acquisition Contingent Consideration Contingent Consideration Adjustment Contingent Consideration Adjustment Ordinary Shares - Par Value $0.001; Authorized 1,356 shares, Issued and Outstanding 72.5 shares at September 30, 2026 and 71.6 at December 31, 2025 Common Stock, Value, Issued Tax Remittance on Equity Awards Vested Payment, Tax Withholding, Share-Based Payment Arrangement Accrued Salaries and Benefits Employee-related Liabilities, Current Business Combination, Achieved in Stages, Preacquisition Serivces, Fair Value Business Combination, Achieved in Stages, Preacquisition Serivces, Fair Value Business Combination, Achieved in Stages, Preacquisition Serivces, Fair Value Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Inventory Charges Inventory Write-down Proceeds from Sale of Business Proceeds from sale of business Proceeds from Divestiture of Businesses Amendment Flag Amendment Flag Liabilities: Liabilities, Current [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Gain on Disposition of Assets Gain (Loss) on Disposition of Other Assets Acquisition Related Activity Stock Issued During Period, Value, Acquisitions Distributions to Noncontrolling Interests Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, Country Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Ordinary Shares, Par Value (in dollars per share) Common Stock, Par or Stated Value Per Share Foreign Currency Translation Adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Total Capital Expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Intangibles, Net of Accumulated Amortization of $873 at September 30, 2026 and $828 at December 31, 2025 Intangibles, Net of 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Individual Name Earnings Per Share [Abstract] Earnings Per Share [Abstract] Proceeds from Sales of Blue Chip Swap Securities Proceeds from Sale and Maturity of Marketable Securities Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total Liabilities Liabilities Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Capital Expenditures for Property, Plant and Equipment Payments to Acquire Property, Plant, and Equipment 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] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Company Selected Measure Name Company Selected Measure Name Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Business Combination, Recognized Asset Acquired, Tangible Asset Business Combination, Recognized Asset Acquired, Tangible Asset Business Combination, Recognized Asset Acquired, Tangible Asset Concentration Risk [Line Items] Concentration Risk [Line Items] Defined Benefit Pension Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Unpaid principal balance Long-Term Debt, Gross Credit Facility [Domain] Credit Facility [Domain] Cash Flows from Operating Activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Saudi Arabia SAUDI ARABIA Diluted Weighted Average Shares Outstanding (in shares) Diluted Weighted Average Shares 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cash Restricted Cash, Current Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Corporate and Other Corporate and Other Corporate And Reconciling Items [Member] Corporate And Reconciling Items Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Dilutive Effect of Awards Granted in Stock Incentive Plan (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Inventory, Current [Table] Inventory, Current [Table] All Executive Categories All Executive Categories [Member] Uncommitted letters of credit Uncommitted Letters of Credit [Member] Uncommitted Letters of Credit [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Long-Term Debt, Fair Value Outstanding debt for commitment increase trigger Line Of Credit Facility, Outstanding Debt For Accordion Feature Trigger Line Of Credit Facility, Outstanding Debt For Accordion Feature Trigger Antidilutive Securities [Axis] Antidilutive Securities [Axis] Operating Lease Assets Operating Lease, Right-of-Use Asset Concentration Risk Type [Domain] Concentration Risk Type [Domain] Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Current Portion of Long-term Debt Current Portion of Long-term Debt Long-Term Debt and Lease Obligation, Current Segment Information Segment Reporting [Text Block] Borrowings outstanding Long-Term Line of Credit Dividends Paid Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total Shareholders’ Equity Balance, beginning balance Balance, ending balance Equity, Including Portion Attributable to Noncontrolling Interest 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] Middle East/North Africa/Asia Middle East and North Africa [Member] Middle East, North Africa and Asia Business Combination [Line Items] Business Combination [Line Items] Dividends declared and paid Dividends Declared Dividends, Common Stock Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Ordinary Shares, Authorized (in shares) Common Stock, Shares Authorized Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Acquired preacquisition interest Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Fair Value Exercise Price Award Exercise Price Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Cash Flows From Investing Activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report 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] Segments [Domain] Segments [Domain] Minimum liquidity covenant Credit Agreement Minimum Liquidity Requirement Credit Agreement Minimum Liquidity Requirement Developed and Acquired Technology Developed And Acquired Technology Rights [Member] Developed And Acquired Technology Rights [Member] PP&E, Net and Operating Lease Assets by Geographic Area Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Long-Lived Asset [Table Text Block] Borrowings and Other Debt Obligations Debt Disclosure [Text Block] Debt redeemed Repayments of Long-Term Debt Contract Assets in Other Non-Current Assets Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Unamortized deferred issuance cost Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Schedule of Restructuring Charges Restructuring and Related Costs [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Restructuring liabilities Restructuring Reserve Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Total Costs and Expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Interest rate Stated interest rate on debt Debt Instrument, Interest Rate, Stated Percentage Shareholders’ Equity Equity, Attributable to Parent ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount 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Business Combination [Domain] Interest Expense, Net of Interest Income of $13, $11, $34 and $36 Interest Income (Expense), Nonoperating Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Equipment rental revenue Operating Lease, Lease Income Total Anti-dilutive Weighted Average Shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Entity Central Index Key Entity Central Index Key Property, Plant and Equipment, Accumulated Depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Capital in Excess of Par Value Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Corporate Costs Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Equity [Abstract] Equity [Abstract] Business Combination [Axis] Business Combination [Axis] 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] Net Cash Provided by Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Disputes, Litigation and Legal Contingencies Legal Matters and Contingencies [Text Block] Other Stockholders' Equity, Other Other Comprehensive Income (Loss) Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Finance Leases Finance Lease, Liability, Noncurrent Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Intangible Asset, Finite-Lived Intangible Asset, Finite-Lived [Table Text Block] City Area Code City Area Code Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Geographic Concentration Risk Geographic Concentration Risk [Member] All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] NCS Multistage Holdings, Inc. NCS Multistage Holdings, Inc. [Member] NCS Multistage Holdings, Inc. Name Forgone Recovery, Individual Name Finished Goods Inventory, Finished Goods, Net of Reserves Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Maximum repurchase amount Debt Instrument, Maximum Repurchase Amount Debt Instrument, Maximum Repurchase Amount Proceeds from Sale of Investments Proceeds from Sale of Other Investments Statement [Line Items] Statement [Line Items] Argentinian Pressure Pumping Business Argentinian Pressure Pumping Business [Member] Argentinian Pressure Pumping Business Total Assets Assets Assets Share-Based Compensation Employee Benefits and Share-Based Compensation Operating Segments Operating Segments [Member] Business Combination, Recognized Liability Assumed, Liability Business Combination, Recognized Liability Assumed, Liability PEO PEO [Member] Carrying Value Debt, Long-Term and Short-Term, Combined Amount Maximum secured net leverage ratio Debt Instrument, Covenant, Maximum Secured Net Leverage Ratio Debt Instrument, Covenant, Maximum Secured Net Leverage Ratio Share-based Compensation Share-Based Payment Arrangement, Expense Measurement Basis [Axis] Measurement Basis [Axis] Maximum net leverage ratio Debt Instrument, Covenant, Maximum Net Leverage Ratio Debt Instrument, Covenant, Maximum Net Leverage Ratio Acquisitions Business Combination, Series of Individually Immaterial Business Combinations [Member] Other Non-Current Liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Subsequent Event Type [Domain] Subsequent Event Type [Domain] Payables and Accruals [Abstract] Retained Income (Deficit) Retained Earnings [Member] Operating Lease Liabilities Operating Lease, Liability, Noncurrent Income Taxes Payable Taxes Payable, Current Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Ordinary Shares, Outstanding (in shares) Ordinary shares outstanding, beginning balance (in shares) Ordinary shares outstanding, ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Fair Value and Carrying Value of Long-Term Debt Fair Value, by Balance Sheet Grouping [Table Text Block] Debt Issuance Costs Payments of Debt Issuance Costs Diluted Income per Share (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net Cash Used in Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Accrued Salaries and Benefits Increase (Decrease) in Employee Related Liabilities Amortization of intangible assets Intangible Asset, Finite-Lived, Amortization Expense Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Research and Development Research and Development Expense Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash Flows From Financing Activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property, Plant and Equipment, Net of Accumulated Depreciation of $1,232 at September 30, 2026 and $1,150 at December 31, 2025 Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Schedule of Stockholders' Equity Schedule of Stockholders Equity [Table Text Block] Inventories, Net Inventory Disclosure [Text Block] Stock repurchased during period Share Repurchases Stock Repurchased During Period, Value Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Permitted Refinancing Trigger Permitted Refinancing Trigger Permitted Refinancing Trigger Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Intangibles, Net Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Comprehensive Income Attributable to Noncontrolling Interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair Value Estimate of Fair Value Measurement [Member] Revenue Revenue from Contract with Customer [Text Block] Issuance of shares related to acquisitions (in shares) Equity Issued for Acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions Work in Process and Raw Materials, Components and Supplies Inventory, Raw Materials and Supplies, Net of Reserves Other Investing Activities Payment for (Proceeds from) Other Investing Activity Inventories Increase (Decrease) in Inventories Segment Reporting [Table] Segment Reporting [Table] 1,033,696 Ordinary Shares Issued for Acquisition Stock Issued Other Charges, Net Other Nonrecurring (Income) Expense 2028 Senior Secured Notes Senior Secured Notes Due 2028 [Member] Senior Secured Notes Due 2028 Other Current Assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating Income Operating Income (Loss) Services Service [Member] Current Fiscal Year End Date Current Fiscal Year End Date DRE Drilling and Evaluation [Member] Drilling and Evaluation [Member] Gain on Sale of Business Gain on Sale of Business Gain (Loss) on Disposition of Business Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Acquisitions Business Combination [Text Block] Long-lived Assets Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount Stock repurchased during period (in shares) Share Repurchases (in shares) Stock Repurchased During Period, Shares 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] Dividend declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Equity Awards, Granted, Vested and Exercised, Net of Shares Withheld for Taxes Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Distributions to Noncontrolling Interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Ordinary Shares, Issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Equity Components [Axis] Equity Components [Axis] Dilutive Effect of Acquisition Contingent Consideration (in shares) Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Accounts Receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Schedule of Issued and Treasury Shares [Line Items] Class of Stock [Line Items] Income Taxes Paid, Net of Refunds Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Restructuring liabilities, current Restructuring Reserve, Current Entity Interactive Data Current Entity Interactive Data Current Current Portion of Finance Leases Finance Lease, Liability, Current Net Income Attributable to Noncontrolling Interests Net Income (Loss) Attributable to Noncontrolling Interest Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive Income Attributable to Weatherford Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Accounts Payable Increase (Decrease) in Accounts Payable, Trade Subsequent Events [Abstract] Subsequent Events [Abstract] Intangibles acquired Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Restructuring liabilities, non-current Restructuring Reserve, Noncurrent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Defined Benefit Pension Activity Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other Current Liabilities Other Liabilities, Current Other Non-Current Assets Other Assets, Noncurrent Document Type Document Type Business Acquisition, Net of Cash Acquired Payments to acquired businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Fair Value as of Grant Date Award Grant Date Fair Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Local Phone Number Local Phone Number Contract Liabilities in Other Non-Current Liabilities Contract with Customer, Liability, Noncurrent Europe/Sub-Sahara Africa/Russia Europe, Sub-Sahara Africa, Russia [Member] -- None. No documentation exists for this element. -- Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name 2033 Senior Notes Senior Notes Due 2033 [Member] Senior Notes Due 2033 Income Before Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] WCC Well Construction And Completion [Member] Well Construction [Member] Intangible Asset, Finite-Lived, before Accumulated Amortization Intangible Asset, Finite-Lived, before Accumulated Amortization Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Trade Names Trade Names [Member] Supplier financing outstanding Supplier Finance Program, Obligation PP&E, Net and operating lease assets Property, Plant and Equipment and Right Of Use Assets [Member] Property, Plant and Equipment and Right Of Use Assets Inventories, Net Inventories, Net Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Supplemental Cash Flow Information: Supplemental Cash Flow Information [Abstract] PEO Name PEO Name Geographical [Axis] Geographical [Axis] Schedule of Short-term Debt [Table] Short-Term Debt [Table] Portion of Assumed Equity Awards Included in Acquisition Consideration Non- Cash Assumed Equity Awards Included in Acquisition Consideration Non- Cash Assumed Equity Awards Included in Acquisition Consideration Cash acquired from acquisition Cash Acquired from Acquisition Ordinary shares issued for acquisition Business Combination, Consideration Transferred, Equity Interest, Share Issued, Value Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Cash, Cash Equivalents and Restricted Cash at Beginning of Period Cash, Cash Equivalents and Restricted Cash at End of Period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] 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] Basis of Presentation and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Comprehensive Income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Cash consideration Payments to Acquire Businesses, Gross Disposal Group Name [Axis] Disposal Group Name [Axis] Customer [Domain] Customer [Domain] Components of Inventory Schedule of Inventory, Current [Table Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic Income per Share (in dollars per share) Earnings Per Share, Basic Income tax expense from release of valuation allowances and recognition of benefit from previously uncertain tax positions Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Contract Liabilities in Other Current Liabilities Contract with Customer, Liability, Current Share Repurchases Payments for Repurchase of Common Stock Total Current Assets Assets, Current Insider Trading Arrangements [Line Items] Repayments of Long-term Debt Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Direct Costs Cost of Revenue Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts Receivable, Net Accounts Receivable, after Allowance for Credit Loss, Current Retained Deficit Retained Earnings (Accumulated Deficit) Schedule of Long-Term Debt Schedule of Short-Term Debt [Table Text Block] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] 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] Ordinary Shares Common Stock [Member] Short-term Debt [Line Items] Short-Term Debt [Line Items] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Non-US Non-US [Member] Concentration risk, percentage Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Equity Awards Adjustments Equity Awards Adjustments [Member] Total Liabilities and Shareholders’ Equity Liabilities and Equity Principal amount repurchased Debt Instrument, Repurchased Face Amount During Period Debt Instrument, Repurchased Face Amount During Period Employee Stock Option Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Noncontrolling Interests Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Restructuring Charges Restructuring Charges Restructuring charges Total Restructuring Charges Restructuring Charges Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Other Expense, Net Other Nonoperating Income (Expense) Other Expense, Net Other Expense Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name Shareholders’ Equity: Equity, Including Portion Attributable to Noncontrolling Interest [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] Accounts Receivable, Net of Allowance for Credit Losses of $12 at September 30, 2026 and $10 at December 31, 2025 Receivables, Net Receivables, Net, Current Adjustment to Compensation: Adjustment to Compensation [Axis] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest Paid Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Minimum liquidity covenant, increase limit Credit Agreement Minimum Liquidity Requirement, Increase Limit Credit Agreement Minimum Liquidity Requirement, Increase Limit Inventory [Line Items] Inventory [Line Items] Credit Facility [Axis] Credit Facility [Axis] Restructuring Charges Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Long-term Debt Long-term Debt Long-Term Debt and Lease Obligation Name 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] Mexico MEXICO Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total consideration Business Combination, Consideration Transferred Loss on Blue Chip Swap Securities Loss on Blue Chip Swap Securities Gain (Loss) on Sale of Derivatives Capital in Excess of Par Value Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Redomestication Redomestication Costs Redomestication Costs Name Trading Arrangement, Individual Name Cash and Cash Equivalents Cash and Cash Equivalent Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Depreciation and Amortization Depreciation and Amortization Depreciation, Depletion and Amortization Debt redeemed with cash on hand Debt Instrument, Cash To Be Used For Repurchase Debt Instrument, Cash To Be Used For Repurchase Shares issued for equity awards vested and delivered, net of shares withheld for taxes (in shares) Equity Awards, Granted, Vested and Exercised, Net of Shares Withheld for Taxes (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Schedule of Issued and Treasury Shares [Table] Stock, Class of Stock [Table] Net Income Net Income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One North America North America [Member] Income Tax Provision Income tax expense (benefit) Income Tax Expense (Benefit) Latin America Latin America [Member] Foreign Exchange Losses Gain (Loss), Foreign Currency Transaction, before Tax Customer Concentration Risk Customer Concentration Risk [Member] Cost of Services and Products Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Product and Services Product and Service, Other [Member] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net Increase 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 Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Minimum interest coverage ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Net Income Attributable to Weatherford Net Income Attributable to Weatherford Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Proceeds from Disposition of Assets Proceeds from Sale of Property, Plant, and Equipment Statement [Table] Statement [Table] All Other Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Interest income Investment Income, Interest Equipment Rentals Equipment Rentals [Member] Equipment Rentals Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Equity Awards Share-Based Payment Arrangement [Member] Revenue: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]