Proceeds from Sale of Business Proceeds from sale of business Proceeds from Divestiture of Businesses Intangibles, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Schedule of Long-Term Debt Schedule of Short-Term Debt [Table Text Block] Restricted Cash Restricted cash Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Capital in Excess of Par Value Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Accounting Standards Issued Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Ordinary shares issued for acquisition (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Contract Assets in Other Current Assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Saudi Arabia SAUDI ARABIA Fair Value and Carrying Value of Long-Term Debt Fair Value, by Balance Sheet Grouping [Table Text Block] Interest Expense, Net of Interest Income of $11, $13, $36 and $44 Interest Income (Expense), Nonoperating Equity Awards Share-Based Payment Arrangement [Member] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis [Axis] Measurement Basis [Axis] Basic Income per Share (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] Revenue Revenue from Contract with Customer [Text Block] Accounts Payable Increase (Decrease) in Accounts Payable, Trade Schedule of Issued and Treasury Shares [Table] Stock, Class of Stock [Table] Other Comprehensive Income (Loss) Other Comprehensive Income (Loss), Net of Tax Financial Information by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Adjusted EBITDA Earnings Before Interest Tax Depreciation And Amortization Earnings Before Interest Tax Depreciation And Amortization Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk, percentage Concentration Risk, Percentage Unamortized deferred issuance cost Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Principles of Consolidation Consolidation, Policy [Policy Text Block] Employee Stock Option Share-Based Payment Arrangement, Option [Member] 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 Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Revolving loans or financial letters of credit Revolving Credit Facility Or Financial Letters Of Credit [Member] Revolving Credit Facility Or Financial Letters Of Credit Proceeds from Sale of Investments Proceeds from Sale of Other Investments Antidilutive Securities [Axis] Antidilutive Securities [Axis] Shareholders’ Equity Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Share-based Compensation Share-Based Payment Arrangement, Expense Ordinary Shares, Authorized (in shares) Common Stock, Shares Authorized Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Total Liabilities and Shareholders’ Equity Liabilities and Equity 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 Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Defined Benefit Pension Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Equity Issued for Acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Largest customer Largest Customer [Member] Largest Customer Maximum repurchase amount Debt Instrument, Maximum Repurchase Amount Debt Instrument, Maximum Repurchase Amount Net Income Attributable to Noncontrolling Interests Net Income (Loss) Attributable to Noncontrolling Interest Total Capital Expenditures Segment, Expenditure, Addition to Long-Lived Assets 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] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Carrying Value Debt, Long-Term and Short-Term, Combined Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Credit Agreement Credit Agreement [Member] Credit Agreement Performance letters of credit Performance Letters of Credit [Member] Performance Letters of Credit Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income Before Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other Non-Current Liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from Disposition of Assets Proceeds from Sale of Property, Plant, and Equipment Operating Segments Operating Segments [Member] Current portion of long-term debt Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Comprehensive Income Attributable to Noncontrolling Interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive Income Attributable to Weatherford Comprehensive Income (Loss), Net of Tax, Attributable to Parent Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Restructuring liabilities Restructuring Reserve Distributions to Noncontrolling Interests Payments to Noncontrolling Interests Non-current Taxes Payable Accrued Income Taxes, Noncurrent Current Portion of Operating Lease Liabilities Operating Lease, Liability, Current Schedule of Issued and Treasury Shares [Line Items] Class of Stock [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Uncommitted letters of credit Uncommitted Letters of Credit [Member] Uncommitted Letters of Credit [Member] Award Timing Method Award Timing Method [Text Block] Award Type Award Type [Axis] Contract Liabilities in Other Non-Current Liabilities Contract with Customer, Liability, Noncurrent Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Long-term debt Long-Term Debt Total Assets Assets Assets Trading Symbol Trading Symbol Derivative, Percentage Higher Than Official Exchange Rate Derivative, Percentage Higher Than Official Exchange Rate Derivative, Percentage Higher Than Official Exchange Rate Geographical [Domain] Geographical [Domain] 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 Entity Address, City or Town Entity Address, City or Town Cash Flows from Operating Activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] 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 Concentration Risk Type [Axis] Concentration Risk Type [Axis] Inventories, Net Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Minimum liquidity covenant, increase limit Credit Agreement Minimum Liquidity Requirement, Increase Limit Credit Agreement Minimum Liquidity Requirement, Increase Limit Entity Emerging Growth Company Entity Emerging Growth Company Restructuring liabilities, current Restructuring Reserve, Current Dividend declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding 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] Total Revenue Revenue from Contract with Customer, Including Assessed Tax Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Dilutive Effect of Acquisition Contingent Consideration (in shares) Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Ordinary Shares, Outstanding (in shares) Ordinary shares outstanding, beginning balance (in shares) Ordinary shares outstanding, ending balance (in shares) Common Stock, Shares, Outstanding Gain on Disposition of Assets Gain (Loss) on Disposition of Other Assets WCC Well Construction And Completion [Member] Well Construction [Member] PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Interest income Investment Income, Interest United States UNITED STATES Changes in Accounts Receivable, Inventory, Accounts Payable and Accrued Salaries and Benefits: 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] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Retained Income (Deficit) Retained Earnings [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date 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 Income Statement [Abstract] Income Statement [Abstract] Income Tax Provision Income tax expense (benefit) Income Tax Expense (Benefit) Purchases of Blue Chip Swap Securities Payments to Acquire Marketable Securities Income Taxes Payable Taxes Payable, Current Repayments of Long-term Debt Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Intangibles, Net of Accumulated Amortization of $842 at September 30, 2025 and $793 at December 31, 2024 Intangibles, Net of Accumulated Amortization of $842 at September 30, 2025 and $793 at December 31, 2024 Intangible Assets, Net (Excluding Goodwill) 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] Net Income Net Income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Notional balance Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Restructuring Charges Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Business Acquisitions, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] 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] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash Flows From Investing Activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Long-lived Assets Long-Lived Assets Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net Cash Provided by Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Subsequent Event Subsequent Event [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Equipment Rentals Equipment Rentals [Member] Equipment Rentals Cost of Products Cost of Sales [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] Equity Components [Axis] Equity Components [Axis] Non-US Non-US [Member] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Concentration Risk [Table] Concentration Risk [Table] Products Product [Member] Number of reportable segments Number of Reportable Segments Financial letters of credit Financial Letters of Credit [Member] Financial Letters of Credit Supplemental Cash Flow Information: Supplemental Cash Flow Information [Abstract] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Inventory [Line Items] Inventory [Line Items] Entity Address, Country Entity Address, State or Province Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Dividends declared and paid Dividends Declared Dividends, Common Stock Total Current Liabilities Liabilities, Current Maximum net leverage ratio Debt Instrument, Covenant, Maximum Net Leverage Ratio Debt Instrument, Covenant, Maximum Net Leverage Ratio Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Dividends Paid Payments of Ordinary Dividends, Common Stock Other Current Assets Other Assets, Current Capital in Excess of Par Value 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] Gain on Sale of Business Gain on sale of business Gain on Sale of Business Gain (Loss) on Disposition of Business Interest Paid Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Operating Lease Assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Debt redeemed Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current Carrying Value Reported Value Measurement [Member] Disputes, Litigation and Legal Contingencies Legal Matters and Contingencies [Text Block] Equity [Abstract] Equity [Abstract] North America North America [Member] Segment Information Segment Reporting Disclosure [Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Current Portion of Long-term Debt Current Portion of Long-term Debt Long-Term Debt and Lease Obligation, Current Loss on Blue Chip Swap Securities Loss on Blue Chip Swap Securities Gain (Loss) on Sale of Derivatives Latin America Latin America [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Middle East/North Africa/Asia Middle East and North Africa [Member] Middle East, North Africa and Asia Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Amortization of intangible assets Amortization of Intangible Assets Selling, General and Administrative Selling, General and Administrative Expense Stock repurchased during period Share Repurchases Stock Repurchased During Period, Value Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Depreciation and Amortization Depreciation and Amortization Depreciation, Depletion and Amortization Other Non-Current Assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] 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] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Stockholders' Equity Schedule of Stockholders Equity [Table Text Block] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Contract Liabilities in Other Current Liabilities Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Exercise Price Award Exercise Price Acquisitions Business Combination, Series of Individually Immaterial Business Combinations [Member] Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Inventory, Current [Table] Inventory, Current [Table] Contract Assets in Other Non-Current Assets Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Other Investing Activities Payment for (Proceeds from) Other Investing Activity Subsequent Event Type [Axis] Subsequent Event Type [Axis] Europe/Sub-Sahara Africa/Russia Europe, Sub-Sahara Africa, Russia [Member] -- None. No documentation exists for this element. -- ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Credit Facility [Domain] Credit Facility [Domain] Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross 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 Research and Development Research and Development Expense Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Interest rate Stated interest rate on debt Debt Instrument, Interest Rate, Stated Percentage Accounts Receivable, Allowance for Credit Losses Accounts Receivable, Allowance for Credit Loss, Current Operating Lease Liabilities Operating Lease, Liability, Noncurrent 844,702 Ordinary Shares Issued for Acquisitions Stock Issued Credit Default Swap Derivative Instruments and Hedging Activities Disclosure [Text Block] Corporate and Other All Other Corporate And Reconciling Items [Member] Corporate And Reconciling Items Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Share-Based Compensation Employee Benefits and Share-Based Compensation Dilutive Effect of Awards Granted in Stock Incentive Plan (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Less: Impact of Acquisition Contingent Consideration Contingent Consideration Adjustment Contingent Consideration Adjustment Total Costs and Expenses Costs and Expenses Document Quarterly Report Document Quarterly Report DRE Drilling and Evaluation [Member] Drilling and Evaluation [Member] Fair Value Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] All Other Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Services Service [Member] Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Equity Awards, Granted, Vested and Exercised, Net of Shares Withheld for Taxes Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Schedule of Restructuring Charges Restructuring and Related Costs [Table Text Block] Debt redeemed with cash on hand Cash on hand to be used to fund debt repurchase Debt Instrument, Cash To Be Used For Repurchase Debt Instrument, Cash To Be Used For Repurchase Other Financing Activities Proceeds from (Payment for) Other Financing Activity Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Early tender premium Payment for Debt Extinguishment or Debt Prepayment Cost Maximum secured net leverage ratio Debt Instrument, Covenant, Maximum Secured Net Leverage Ratio Debt Instrument, Covenant, Maximum Secured Net Leverage Ratio Schedule of Short-term Debt [Table] Short-Term Debt [Table] Noncontrolling Interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] 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 Face amount of debt Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Accrued Salaries and Benefits Increase (Decrease) in Employee Related Liabilities MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Revenue: Revenues [Abstract] Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss), Net of Tax Long-term Debt Long-term Debt Long-Term Debt and Lease Obligation Minimum interest coverage ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Segments [Domain] Segments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Blue Chip Swap Securities - Argentina Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Inventories Increase (Decrease) in Inventories Inventories, Net Inventories, Net Inventory, Net Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Property, Plant and Equipment, Accumulated Depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Costs and Expenses: Cost of Revenue [Abstract] Company Selected Measure Name Company Selected Measure Name Fair Value Measurement [Domain] Fair Value Measurement [Domain] Senior Notes Senior Notes [Member] Borrowings and Other Debt Obligations Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts Payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net Income Attributable to Weatherford and Available to Shareholders, Diluted Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Other (Charges) Credits, Net Other Nonrecurring (Income) Expense Finished Goods Inventory, Finished Goods, Net of Reserves Ordinary Shares - Par Value $0.001; Authorized 1,356 shares, Issued and Outstanding 71.7 shares at September 30, 2025 and 72.1 at December 31, 2024 Common Stock, Value, Issued Decrease in uncertain tax positions reasonably possible Decrease in Unrecognized Tax Benefits is Reasonably Possible Diluted Weighted Average Shares Outstanding (in shares) Diluted Weighted Average Shares Outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Work in Process and Raw Materials, Components and Supplies Inventory, Raw Materials and Supplies, Net of Reserves Business Combination [Axis] Business Combination [Axis] Comprehensive Income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Noncontrolling Interests Noncontrolling Interest [Member] Document Transition Report Document Transition Report Period from notification of default that could be required to pay outstanding notional amount Derivative Instrument, Period From Notification Of Default That Could Be Required To Pay Outstanding Notional Amount Derivative Instrument, Period From Notification Of Default That Could Be Required To Pay Outstanding Notional Amount Underlying Securities Award Underlying Securities Amount Short-term Debt [Line Items] Short-Term Debt [Line Items] Concentration Risk [Line Items] Concentration Risk [Line Items] Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PP&E, Net and Operating Lease Assets by Geographic Area Long-Lived Assets by Geographic Areas [Table Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income Taxes Income Tax Disclosure [Text Block] 2028 Senior Secured Notes Senior Secured Notes Due 2028 [Member] Senior Secured Notes Due 2028 Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Developed and Acquired Technology Developed And Acquired Technology Rights [Member] Developed And Acquired Technology Rights [Member] Total Shareholders’ Equity Balance, beginning balance Balance, ending balance Equity, Including Portion Attributable to Noncontrolling Interest Document Type Document Type Income per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Defined Benefit Pension Activity Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Product and Service [Axis] Product and Service [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Capital Expenditures for Property, Plant and Equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Restructuring liabilities, non-current Restructuring Reserve, Noncurrent Total Current Assets Assets, Current 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] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Tax Remittance on Equity Awards Vested Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net Income Attributable to Weatherford and Available to Shareholders, Basic Net Income (Loss) Available to Common Stockholders, Basic Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Liabilities: Liabilities, Current [Abstract] Geographical [Axis] Geographical [Axis] Other Changes, Net Increase (Decrease) in Other Operating Assets and Liabilities, Net Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Borrowings outstanding Long-Term Line of Credit Foreign Exchange Losses Gain (Loss), Foreign Currency Transaction, before Tax Diluted Income per Share (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts Receivable, Net Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Supplemental Noncash Information: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] 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 2030 Senior Notes Senior Notes 8.625 Percent Due 2030 [Member] Senior Notes 8.625 Percent Due 2030 Earnings Per Share [Abstract] Earnings Per Share [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Investments, Debt and Equity Securities [Abstract] Other Stockholders' Equity, Other Kristin Ruzicka [Member] Kristin Ruzicka Income Taxes Paid, Net of Refunds Income Taxes Paid, Net Principal amount repurchased Debt Instrument, Repurchased Face Amount During Period Debt Instrument, Repurchased Face Amount During Period Award Timing Disclosures [Line Items] Components of Inventory Schedule of Inventory, Current [Table Text Block] Unpaid principal balance Long-Term Debt, Gross Accrued Salaries and Benefits Employee-related Liabilities, Current Other Comprehensive Income (Loss) Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Shareholders' Equity Equity [Text Block] Distributions to Noncontrolling Interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Trade Names Trade Names [Member] Net Income Attributable to Weatherford Net Income Attributable to Weatherford Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Expiration Date Trading Arrangement Expiration Date Credit default swap Credit Default Swap [Member] Proceeds from loans receivable Proceeds from Collection of Loans Receivable Shareholders’ Equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Property, Plant and Equipment, Net of Accumulated Depreciation of $1,103 at September 30, 2025 and $940 at December 31, 2024 Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Restructuring Charges Restructuring Charges Restructuring charges Total Restructuring Charges Restructuring Charges Geographic Concentration Risk Geographic Concentration Risk [Member] Share Repurchases Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts Receivable Increase (Decrease) in Accounts Receivable Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Derivative [Line Items] Derivative [Line Items] Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Operating Income Operating Income (Loss) Line of Credit Line of Credit [Member] Retained Deficit Retained Earnings (Accumulated Deficit) 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 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] Other Expense, Net Other Expense Other Operating Income (Expense), Net Argentinian Pressure Pumping Business Argentinian Pressure Pumping Business [Member] Argentinian Pressure Pumping Business Current Portion of Finance Leases Finance Lease, Liability, Current Inventory valuation reserves Inventory Valuation Reserves Current Fiscal Year End Date Current Fiscal Year End Date Subsequent Event Type [Domain] Subsequent Event Type [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [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] Other Expense, Net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Deferred Income Tax Provision Deferred Income Tax Expense (Benefit) 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] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Accounts Receivable, Net of Allowance for Credit Losses of $9 at September 30, 2025 and $8 at December 31, 2024 Receivables, Net Receivables, Net, Current Proceeds from Sales of Blue Chip Swap Securities Proceeds from Sale and Maturity of Marketable Securities Finance Leases Finance Lease, Liability, Noncurrent Equity Issued for Acquisitions Stock Issued During Period, Value, Acquisitions Basis of Presentation and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Uncertain tax positions Unrecognized Tax Benefits Total Anti-dilutive Weighted Average Shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value and Carrying Value of Long-term Debt [Table] Fair Value, by Balance Sheet Grouping [Table] Amendment Flag Amendment Flag 2033 Senior Notes Senior Notes Due 2033 [Member] Senior Notes Due 2033 Termination Date Trading Arrangement Termination Date Net Cash Used in 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] Basic Weighted Average Shares Outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Inventory Charges Inventory Write-down Cost of Services and Products Cost of Product and Service Sold Minimum liquidity covenant Credit Agreement Minimum Liquidity Requirement Credit Agreement Minimum Liquidity Requirement Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Direct Costs Cost of Revenue Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Ordinary Shares, Par Value (in dollars per share) Common Stock, Par or Stated Value Per Share Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Ordinary Shares, Issued (in shares) Common Stock, Shares, Issued Intangibles, Net Goodwill and Intangible Assets Disclosure [Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Equipment rental revenue Operating Lease, Lease Income Subsequent Events Subsequent Events [Text Block] Foreign Currency Translation Adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Product and Services Product and Service, Other [Member] Total Liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Total commitment amount Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Stock repurchased during period (in shares) Share Repurchases (in shares) Stock Repurchased During Period, Shares Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other Current Liabilities Other Liabilities, Current Statement [Line Items] Statement [Line Items] Middle East/North Africa/Asia Middle East North Africa Asia [Member] Middle East North Africa Asia Consolidation Items [Axis] Consolidation Items [Axis] PRI Production And Intervention [Member] Production And Intervention Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and Cash Equivalents Cash and Cash Equivalent Subsequent Event [Line Items] Subsequent Event [Line Items] Ordinary Shares Common Stock [Member] 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 Mexico MEXICO