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Reporting [Abstract] Segment Reporting [Abstract] Type of Restructuring [Domain] Type of Restructuring [Domain] Secured Debt Secured Debt [Member] Inventory, Current [Table] Inventory, Current [Table] Accounts Receivable Increase (Decrease) in Accounts Receivable Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Accounts Payable Increase (Decrease) in Accounts Payable, Trade Entity Shell Company Entity Shell Company Local Phone Number Local Phone Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Other Long-term Debt Other Long-term Debt Comprehensive Loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] permitted borrowing permitted borrowing permitted borrowing Entity Interactive Data Current Entity Interactive Data Current Total Assets Assets Assets Common Stock, Shares Authorized Common Stock, Shares Authorized Committed letters of credit Uncommitted Letters of Credit [Member] Uncommitted Letters of Credit [Member] Interest Paid Interest Paid, Excluding Capitalized Interest, Operating Activities Geographical [Domain] Geographical [Domain] Revenues Revenue from Contract with Customer [Text Block] Revenue Not from Contract with Customer, Other Revenue Not from Contract with Customer, Other Noncontrolling Interests Noncontrolling Interest [Member] Research and Development Research and Development Expense Product and Service [Domain] Product and Service [Domain] Document Type Document Type Stated interest rate on debt Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Summary of Impairment Charges Summary of Impairment Charges [Table Text Block] Summary of Impairment Charges Loss on Termination of ABL Credit Agreement [Line Items] Loss on Termination of ABL Credit Agreement Loss on Termination of ABL Credit Agreement Developed and Acquired Technology, Net of Accumulated Amortization of $218 at September 30, 2021 and $132 at December 31, 2020 Developed And Acquired Technology Rights [Member] Developed And Acquired Technology Rights [Member] Net Income Attributable to Noncontrolling Interests Net Income (Loss) Attributable to Noncontrolling Interest Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Reporting Unit [Domain] Reporting Unit [Domain] Letters of credit outstanding, cash collateral Letters of Credit Outstanding, Cash Collateral Letters of Credit Outstanding, Cash Collateral Fair Value Measurement [Domain] Fair Value Measurement [Domain] Minimum Liquidity Covenant Minimum Liquidity Covenant Minimum Liquidity Covenant Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Entity Current Reporting Status Entity Current Reporting Status Net Cash Provided by Operating Activities Net Cash Provided by (Used in) Operating Activities Short-term Debt Other Short-term Financing Arrangements Short-term Debt LC Credit Agreement Letters of Credit LC Credit Agreement Letters of Credit [Member] LC Credit Agreement Letters of Credit [Member] Minimum aggregate liquidity requirment covenant in order to redeem debt Minimum aggregate liquidity requirment covenant in order to redeem debt Minimum aggregate liquidity requirment covenant in order to redeem debt Entity Tax Identification Number Entity Tax Identification Number Repayments of Short-term Debt, Net Proceeds from (Repayments of) Short-term Debt Subsequent Event [Line Items] Subsequent Event [Line Items] Geographical [Axis] Geographical [Axis] Employee Benefits and Share-based Compensation Employee Benefits and Share-based Compensation Corporate and Other Corporate and Other [Member] Cash Flow Expense Add Back for Loss on Termination of ABL Credit Agreement Cash Flow Expense Add Back for Loss on Termination of ABL Credit Agreement Cash Flow Expense Add Back for Loss on Termination of ABL Credit Agreement Segments [Domain] Segments [Domain] Receivables, Net, Current Receivables, Net, Current Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Products Product [Member] Income Taxes Paid, Net of Refunds Income Taxes Paid, Net Eastern Hemisphere Eastern Hemisphere [Member] Eastern Hemisphere [Member] Reporting Unit [Axis] Reporting Unit [Axis] Proceeds from Issuance of Secured Debt Proceeds from Issuance of Secured Debt Subsequent Event Subsequent Events [Text Block] Debt instrument, unused borrowing capacity, amount Debt Instrument, Unused Borrowing Capacity, Amount Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Intangible Assets, Net of Accumulated Amortization of $289 at September 30, 2021 and $173 at December 31, 2020 Intangible Assets, Net of Accumulated Amortization of $289 at September 30, 2021 and $173 at December 31, 2020 Intangible Assets, Net (Excluding Goodwill) Comprehensive Loss Attributable to Weatherford Comprehensive Income (Loss), Net of Tax, Attributable to Parent Long-term Debt Long-term Debt Contract Liabilities Contract with Customer, Liability Cash Flows From Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Goodwill and Long-lived Asset Impairments Goodwill, Impairment Loss Net Cash Provided by (Used in) Financing Activities, Total Net Cash Provided by (Used in) Financing Activities Document Transition Report Document Transition Report Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Drilling Evaluation and Intervention [Member] Drilling Evaluation and Intervention [Member] Drilling Evaluation and Intervention Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Total Liabilities and Shareholders’ Equity Liabilities and Equity Senior Notes 8.75 Percent Due 2024 Senior Notes 8.75 Percent Due 2024 [Member] Senior Notes 8.75 Percent Due 2024 Gain (Loss) on Disposition of Other Assets Gain (Loss) on Disposition of Other Assets Bond Redemption Premium Expense Add Back for Cash Flows Bond Redemption Premium Expense Add Back for Cash Flows Bond Redemption Premium Expense Add Back for Cash Flows Accounts Payable, Current Accounts Payable, Current Restructuring Charges Severance, asset impairment and other restructuring charges Restructuring Charges Restructuring Charges Services Service [Member] Depreciation and Amortization Depreciation, Depletion and Amortization Impairment, Long-Lived Asset, Held-for-Use Impairment, Long-Lived Asset, Held-for-Use Impairment, Long-Lived Asset, Held-for-Use LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Inventories Increase (Decrease) in Inventories Schedule of Restructuring Charges Restructuring and Related Costs [Table Text Block] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Other Cost and Expense, Operating Other Cost and Expense, Operating Other Operating Income (Expense), Net Loss per Share Earnings Per Share [Text Block] Repayments of Long-term Debt Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security Cost of Goods and Services Sold Cost of Goods and Services Sold Revenues: Revenues [Abstract] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Unsecured Senior Notes 8.625 Percent Due 2030 Unsecured Senior Notes 8.625 Percent Due 2030 [Member] Unsecured Senior Notes 8.625 Percent Due 2030 General Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Other Assets and Liabilities, Net Increase (Decrease) in Other Operating Assets and Liabilities, Net Schedule of Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Committed Letters of Credit Committed Letters of Credit [Member] Committed Letters of Credit [Member] Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Selling, General and Administrative Selling, General and Administrative Expense Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Unrecognized Tax Benefits Unrecognized Tax Benefits Income Statement Location [Domain] Income Statement Location [Domain] Shareholders’ Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Long-Lived Asset Impairments and Other Asset Impairment Charges [Text Block] Accrued balance at beginning of period Accrued balance at end of period Restructuring Reserve (Credits)/Other Restructuring Reserve, Translation and Other Adjustment Schedule of Impaired Long-Lived Assets Held and Used [Table] Schedule of Impaired Long-Lived Assets Held and Used [Table] Trading Symbol Trading Symbol Minimum Book Value of Pledged Assets for Covenants under LC Credit Agreement Minimum Book Value of Pledged Assets for Covenants under LC Credit Agreement Minimum Book Value of Pledged Assets for Covenants under LC Credit Agreement Property, Plant and Equipment, Net of Accumulated Depreciation of $570 at September 30, 2021 and $367 at December 31, 2020 Property, Plant and Equipment, Net Other Liabilities, Noncurrent Other Liabilities, Noncurrent Liabilities: Liabilities, Current [Abstract] General and Administrative Expense General and Administrative Expense Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Restructuring Plan [Domain] Restructuring Plan [Domain] 2030 Senior Unsecured Notes 2030 Senior Unsecured Notes 2030 Senior Unsecured Notes Earnings Per Share [Abstract] Earnings Per Share [Abstract] Senior Notes Senior Notes [Member] Inventories, Net Inventory Disclosure [Text Block] Document Quarterly Report Document Quarterly Report Costs and Expenses: Cost of Revenue [Abstract] Letters 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Share, Basic and Diluted [Abstract] Earnings Per Share, Basic and Diluted [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Interest paid on early redemption of debt Interest paid on early redemption of debt Interest paid on early redemption of debt Impairments and Other Charges Impairments and Other Charges [Member] Impairments and Other Charges Net Loss Net Loss Net Income (Loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Short-term Borrowings Debt, Current Restricted Cash Restricted Cash, Current Document Period End Date Document Period End Date Inventory valuation reserves Inventory Valuation Reserves Cash, Cash Equivalents and Restricted Cash at Beginning of Period Cash, Cash Equivalents and Restricted Cash at End of Period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Goodwill [Line Items] Goodwill [Line Items] Total Costs and Expenses Costs and Expenses Other Comprehensive Loss Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Entity Registrant Name Entity Registrant Name Taxes Payable, Current Taxes Payable, Current Assets, Current [Abstract] Assets, Current [Abstract] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Other Financing Activities Proceeds from (Payments for) Other Financing Activities Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross Entity Central Index Key Entity Central Index Key Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Entity Bankruptcy Proceedings, Reporting Current Entity Bankruptcy Proceedings, Reporting Current Security Exchange Name Security Exchange Name Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Short-term Debt [Line Items] Short-term Debt [Line Items] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Income Taxes Income Tax Disclosure [Text Block] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Finished Goods Inventory, Finished Goods, Net of Reserves Shareholders' Equity (Deficiency) Stockholders' Equity Note Disclosure [Text Block] Measurement Basis [Axis] Measurement Basis [Axis] Weighted Average Shares Outstanding, Basic and Diluted (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted Consolidation Items [Domain] Consolidation Items [Domain] Equity [Abstract] Equity [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Nonoperating Income (Expense) [Abstract] Nonoperating Income (Expense) [Abstract] Cash Payments Payments for Restructuring Schedule of Issued and Treasury Shares [Line Items] Class of Stock [Line Items] Other short-term bank loans Notes Payable, Other Payables [Member] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Net Cash Used in Investing Activities Net Cash Provided by (Used in) Investing Activities Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Changes in Operating Assets and Liabilities, Net: Increase (Decrease) in Operating Capital [Abstract] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Segment Information Segment Reporting Disclosure [Text Block] Operating Income (Loss) Operating Income (Loss) Operating Income (Loss) Cash Flows from Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Principles of Consolidation Consolidation, Policy [Policy Text Block] Operating Lease, Liability, Current Operating Lease, Liability, Current Schedule of Short-term Debt and Other Debt Obligations Schedule of Short-term Debt [Table Text Block] Total Current Liabilities Liabilities, Current Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Restructuring, Facility Consolidation and Severance Charges Restructuring and Related Activities Disclosure [Text Block] Capital in Excess of Par Value Additional Paid-in Capital [Member] Cash and Cash Equivalents, at Carrying Value Cash and Cash Equivalents, at Carrying Value Repayments of Debt Repayments of Debt Credit agreement, maximum capacity Line of Credit Facility, Maximum Borrowing Capacity Senior Notes 6.5 Percent Due 2028 Senior Notes 6.5 Percent Due 2028 [Member] Senior Notes 6.5 Percent Due 2028 Long-term Debt, Type [Domain] 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No documentation exists for this element. -- Other Investing Activities Payments for (Proceeds from) Other Investing Activities Capital Expenditures for Property, Plant and Equipment Payments to Acquire Property, Plant, and Equipment Other Current Liabilities Other Liabilities, Current Total Liabilities Liabilities North America North America [Member] Subsequent Event Subsequent Event [Member] Restructuring, Impairment, and Other Activities Disclosure Restructuring, Impairment, and Other Activities Disclosure [Text Block] Cover [Abstract] Cover [Abstract] Payment for Debt Extinguishment or Debt Prepayment Cost Payment for Debt Extinguishment or Debt Prepayment Cost Payment for Debt Extinguishment or Debt Prepayment Cost Finance Lease, Liability, Noncurrent Finance Lease, Liability, Noncurrent Restructuring Charges Restructuring Charges [Member] Cash Flows From Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Noncontrolling Interests Stockholders' Equity Attributable to Noncontrolling Interest Consolidation Items [Axis] Consolidation Items [Axis] Weatherford Shareholders’ Equity Stockholders' Equity Attributable to Parent Cost of Sales Cost of Sales [Member] Common Stock, Shares, Issued Common Stock, Shares, Issued Exit Notes Exit Notes [Member] Exit Notes [Member] Adjustments to Reconcile Net Loss to Net Cash Provided by Operating Activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Other Asset write-downs net of credits Other Asset write-downs net of credits Other Asset write-downs net of credits Amount of debt redeemable if minimum liquidity requirement met Amount of debt redeemable if minimum liquidity requirement met Amount of debt redeemable if minimum liquidity requirement met Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Gain (Loss) on Extinguishment of Debt Gain (Loss) on Extinguishment of Debt Defined Benefit Pension Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Inventory [Line Items] Inventory [Line Items] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit) Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]