Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Reported Value Measurement [Member] Reported Value Measurement [Member] Document Fiscal Year Focus Document Fiscal Year Focus Other Other Capitalized Property Plant and Equipment [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Business Combination, Acquisition-Related Cost, Expense Business Combination, Acquisition-Related Cost, Expense Adjustment to Compensation, Amount Adjustment to Compensation Amount Schedule of Other Nonoperating Income, by Component Schedule of Other Nonoperating Income, by Component [Table Text Block] Reimbursable expenses Reimbursable Expenses Reimbursable Expenses Customer [Axis] Customer [Axis] Payment, Tax Withholding, Share-Based Payment Arrangement Payment, Tax Withholding, Share-Based Payment Arrangement Personnel costs Employee-related Liabilities, Current Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Retirement Benefits Retirement Benefits [Text Block] Restatement Determination Date Restatement Determination Date INVESTMENT IN ARO Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Defined Benefit Plan, Expected Return (Loss) on Plan Assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Contract with Customer, Asset, after Allowance for Credit Loss Contract with Customer, Asset, after Allowance for Credit Loss Other Current Assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Current income tax expense Current Income Tax Expense (Benefit) Kingdom3 & 4 Kingdom 3 & 4 [Member] Kingdom 3 & 4 EquityMethodInvestmentAdjustmentRecognizedInIncome EquityInEarningsofARO, out of period adjustment Amount of the Valaris's proportionate share of adjustments recorded by ARO in the current period that relate to a prior period and are included in income from equity method investments. Amendment Flag Amendment Flag CURRENT LIABILITIES Liabilities, Current [Abstract] Shares Acquired, Average Cost Per Share Shares Acquired, Average Cost Per Share Entity Common Shares, Shares Outstanding Entity Common Stock, Shares Outstanding Gain (Loss) on Disposition of Other Assets Gain (Loss) on Disposition of Other Assets Loss Contingencies [Table] Loss Contingencies [Table] OTHER COMPREHENSIVE INCOME (LOSS), NET Other Comprehensive Income (Loss), Net of Tax [Abstract] Floor for Term SOFR and One and One Tenth Member Floor for Term SOFR and One and One Tenth Member [Member] Floor for Term SOFR and One and One Tenth Member Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Property, Plant, and Equipment [Abstract] Property, Plant, and Equipment [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value per share (in dollars per share or pounds sterling per share) Common Stock, Par or Stated Value Per Share Capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition PurchaseAndSaleAgreementTerminationPayment PurchaseAndSaleAgreementTerminationPayment PurchaseAndSaleAgreementTerminationPayment Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Current contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Deferred Foreign Income Tax Expense (Benefit) Deferred Foreign Income Tax Expense (Benefit) Retirement Benefits [Abstract] Retirement Benefits [Abstract] Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Schedule Of Geographic Distribution Of Rigs By Segment Schedule Of Segment Reporting Information By Geographical Segment [Table Text Block] Schedule of segment reporting information by geographical segment [Table Text Block]. Principal amount Receivable with Imputed Interest, Face Amount Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Subsegments Consolidation Items [Axis] Subsegments Consolidation Items [Axis] Second Lien Notes Initial Second Lien Notes [Member] Initial Second Lien Notes Schedule of Extinguishment of Debt [Table] Extinguishment of Debt [Table] Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Entity Address, City or Town Entity Address, City or Town Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Contract with Customer, Liability, Revenue Recognized, Added During Period Contract with Customer, Liability, Revenue Recognized, Added During Period Contract with Customer, Liability, Revenue Recognized, Added During Period Contract with Customer, Liability, Reclassified to Payable Contract with Customer, Liability, Reclassified to Payable Contract with Customer, Liability, Reclassified to Payable Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Number of Newbuild Jackup Rigs Number of Newbuild Jackup Rigs Number of Newbuild Jackup Rigs LONG-TERM NOTES RECEIVABLE FROM ARO Carrying value Other Receivable, after Allowance for Credit Loss, Noncurrent Document Information [Line Items] Document Information [Line Items] Assets held for sale Disposal Group, Including Discontinued Operation, Assets Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Accounting, Policy Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Capitalized Contract Cost, Amortization Expense, Year Two Capitalized Contract Cost, Amortization Expense, Year Two Capitalized Contract Cost, Amortization Expense, Year Two Receivable Type [Domain] Receivable [Domain] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity NET OTHER COMPREHENSIVE INCOME (LOSS) Net other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Revenue Benchmark [Member] Revenue Benchmark [Member] Total Number Of Contract Drilling Rigs Total Number Of Contract Drilling Rigs, Owned Total Number Of Contract Drilling Rigs, Owned Maximum Contingent Contributions To Joint Venture Maximum Contingent Contributions To Joint Venture Maximum Contingent Contributions To Joint Venture Name of Property [Axis] Name of Property [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Capitalized Contract Cost [Domain] Capitalized Contract Cost [Domain] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Changes in contract liabilities Increase (Decrease) in Contract with Customer, Liability Non-controlling Interest Noncontrolling Interest [Member] Schedule Of Segment Reporting Information Segment Reporting [Table Text Block] Gain (Loss) on Disposition of Property Plant Equipment Gain (Loss) on Disposition of Property Plant Equipment Gain (Loss) on Disposition of Property Plant Equipment Other Geographic Areas Other Geographic Areas [Member] Other Geographic Areas [Member] Related Party [Axis] Related and Nonrelated Parties [Axis] Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Class of Warrant or Right, Exercise Price of Warrants or Rights Class of Warrant or Right, Exercise Price of Warrants or Rights Long-Term Debt Long-Term Debt Property and Equipment Property, Plant, and Equipment [Text Block] Document Period End Date Document Period End Date DownPaymentMadeForARONewbuild5 DownPaymentMadeForARONewbuild5 Down Payment Made For ARO Newbuild 5 Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Debt Instrument Principle Percentage Redemption [Domain] Debt Instrument Principle Percentage Redemption [Domain] Debt Instrument Principle Percentage Redemption [Domain] Debt Instrument, Face Amount Debt Instrument, Face Amount Changes in contract assets Increase (Decrease) in Contract with Customer, Asset Security Exchange Name Security Exchange Name Treasury shares, at cost, 7.2 shares as of September 30, 2026 and December 31, 2025 Treasury Stock, Common, Value Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Kingdom 6 Kingdom 6 [Member] Kingdom 6 Term SOFR Plus One and One Tenth Member Term SOFR Plus One and One Tenth Member [Member] Term SOFR Plus One and One Tenth Member Consolidation Items [Domain] Consolidation Items [Domain] Lease liabilities Operating Lease, Liability, Current Accrued interest Interest Payable, Current Schedule of Property And Equipment Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Contract with Customer, Liability, Increase from Cash Receipts Increase in Contract Liability due to Revenue Deferred During the Period Increase in Contract Liability due to Revenue Deferred During the Period Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name EARNINGS PER SHARE Earnings Per Share [Abstract] 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 Jackups Jackups [Member] Jackups [Member] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Debt Instrument [Line Items] Extinguishment of Debt [Line Items] Liabilities, Total Liabilities Trading Symbol Trading Symbol Other Liabilities Other Liabilities [Table Text Block] Segment, Geographical [Domain] Geographical [Domain] Geographical [Domain] Additions to property 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] Capitalized Contract Cost [Axis] Capitalized Contract Cost [Axis] Company Selected Measure Name Company Selected Measure Name V111 V111 [Member] V111 Drilling Rigs [Axis] Drilling Rigs [Axis] Drilling Rigs Long-Term Purchase Commitment, Amount Long-Term Purchase Commitment, Amount Line of Credit Facility, Commitment Fee Percentage Line of Credit Facility, Commitment Fee Percentage Term SOFR Plus One Tenth Member Term SOFR Plus One Tenth Member [Member] Term SOFR Plus One Tenth Member Credit Facility [Domain] Credit Facility [Domain] OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Beginning balance (in shares) Ending balance (in shares) Shares, Issued Compensation Amount Outstanding Recovery Compensation Amount Capitalized Contract Cost, Amortization Capitalized Contract Cost, Amortization Individual: Individual [Axis] Diluted (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Warrants Warrant [Member] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Transocean Ltd. Transocean Ltd. [Member] Transocean Ltd. Underlying Security Market Price Change Underlying Security Market Price Change, Percent Additional Second Lien Notes Additional Second Lien Notes [Member] Additional Second Lien Notes Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Floaters Floaters [Member] Floaters [Member] Changes in operating assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Award Timing Predetermined Award Timing Predetermined [Flag] Restricted Cash, Current Restricted Cash, Current V109 V109 [Member] V109 Business Combination, Termination Fees Business Combination, Termination Fees Business Combination, Termination Fees Treasury Stock, Common Treasury Stock, Common [Member] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] APIC, Share-Based Payment Arrangement, Increase for Cost Recognition APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Other income (expense) Other Nonoperating Expense Organization, Consolidation and Presentation of Financial Statements [Abstract] Contract Assets Change in Contract with Customer, Asset [Abstract] Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Income Tax Examination, Penalties and Interest Expense Income Tax Examination, Penalties and Interest Expense All Executive Categories All Executive Categories [Member] Max. amount by which VAL commitment to ARO will be reduced with each rig delivery Max. amount of VAL's commitment to ARO for newbuild rigs Max. amount of VAL's commitment to ARO for newbuild rigs Credit Rating Index [Domain] Credit Rating Index [Domain] Credit Rating Index [Domain] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Preferred Stock, Par or Stated Value Per Share Preferred Stock, Par or Stated Value Per Share Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Other Accounts Receivable Other Accounts Receivable [Member] Other Accounts Receivable Shareholders' Equity and Share-based Payments Shareholders' Equity and Share-Based Payments [Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Information Segment Reporting [Text Block] Long-Term Line of Credit Long-Term Line of Credit Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date WEIGHTED-AVERAGE SHARES OUTSTANDING Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Percentage of Down Payment Paid for ARO Newbuilds Percentage of Down Payment Paid for ARO Newbuilds Percentage of Down Payment Paid for ARO Newbuilds Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] North & South America Americas [Member] Total shareholders' equity Beginning 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] Business Combination [Line Items] Business Combination [Line Items] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common shares, shares authorized (in shares) Common Stock, Shares Authorized Exercise Price Award Exercise Price INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Related Party Transaction [Axis] Related Party Transaction [Axis] Segment Reporting [Line Items] Segment Reporting [Line Items] Stock Repurchase Program, Authorized Amount Share Repurchase Program, Authorized, Amount Contract with Customer, Asset, Reclassified to Receivable Contract with Customer, Asset, Reclassified to Receivable Jackups Member Jackups Member [Member] Jackups Member 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] Europe Europe [Member] DPS-1 DPS-1 [Member] DPS-1 Debt Debt Disclosure [Text Block] Noncurrent contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Accrued Claims Accrued Claims Accrued Claims Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] Business Combination [Table] Business Combination [Table] Other Customers Other Customers [Member] Other Customers [Member] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Drilling Rigs [Domain] Drilling Rigs [Domain] Drilling Rigs [Domain] Trade receivables Accounts Receivable, before Allowance for Credit Loss, Current Number Of Newbuild Jackup Rigs Delivered Number Of Newbuild Jackup Rigs Delivered Number Of Newbuild Jackup Rigs Delivered Total operating expenses Costs and Expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Second Lien Notes Second Lien Notes [Member] Second Lien Notes Contract Liabilities Contract with Customer, Liability [Abstract] Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Total Valaris shareholders' equity Equity, Attributable to Parent Total other income Nonoperating Income (Expense) Semisubmersible Rigs, Retired Semisubmersible Rigs, Retired Semisubmersible Rigs, Retired ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Equinor ASA Equinor A S A [Member] Equinor A S A Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Number of ARO newbuild rigs ordered Number of ARO newbuild rigs delivered Number of ARO newbuild rigs delivered Insider Trading Policies and Procedures [Line Items] Total interest income on the Notes Receivable from ARO Interest Income, Operating Accounts Receivable, Allowance for Credit Loss, Current Accounts Receivable, Allowance for Credit Loss, Current Proceeds from (Payment for) Other Financing Activity Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Proceeds from Income Tax Refunds Proceeds from Income Tax Refunds     Other current assets Prepaid Expense and Other Assets, Current Deferred income tax expense Deferred income tax expense Deferred Income Tax Expense (Benefit) Schedule of Revenues from External Customers and Long-Lived Assets [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table] Business Combination [Domain] Business Combination [Domain] Letter of Credit Letter of Credit [Member] Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Lease Revenue From Related Party Operating Lease, Lease Income Pension and other post-retirement benefits Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent Number of operating segments (in segments) Number of Operating Segments Antidilutive share options excluded from computation of diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Entity Central Index Key Entity Central Index Key Accretion of Discount on the Notes Receivable Investment Income, Amortization of Discount Supplemental Financial Information [Abstract] Supplemental Financial Information [Abstract] Supplemental Financial Information [Abstract] Common Shares, $0.01 par value, 700.0 shares authorized, 76.6 and 76400000 shares issued, 69.4 and 69200000 shares outstanding as of September 30, 2026 and December 31, 2025, respectively Common Stock, Value, Outstanding     Less accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization All Adjustments to Compensation All Adjustments to Compensation [Member] Corporate, Non-Segment Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Name of Property [Domain] Name of Property [Domain] 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 Angola office Angola Office Building [Member] Angola Office Building Middle East & Africa Middle East and Africa [Member] Middle East and Africa VALARIS SHAREHOLDERS' EQUITY Equity, Attributable to Parent [Abstract] Equity Method Investment, Summarized Financial Information, Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Investment, Name [Axis] Investment, Name [Axis] DEFERRED TAX ASSETS Deferred Income Tax Assets, Net OPERATING EXPENSES Operating expenses: Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Deferred Revenue, Current Deferred Revenue, Current Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Income (Loss) From Equity Method Investments, Ownership Interest Income (Loss) From Equity Method Investments, Ownership Interest Income (Loss) From Equity Method Investments, Ownership Interest Schedule of Accounts, Notes, Loans and Financing Receivable [Table] SEC Schedule, 12-18, Supplemental Information, Property-Casualty Insurance Underwriters [Table] AOCI  AOCI Attributable to Parent [Member] Geographic Concentration Risk Geographic Concentration Risk [Member] Document Information [Table] Document Information [Table] All Individuals All Individuals [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue [Table Text Block] Deposit Liabilities, Collateral Issued, Financial Instruments Deposit Liabilities, Collateral Issued, Financial Instruments Name Forgone Recovery, Individual Name Shares Issued Under Share Based Compensation Plans, Shares Shares Issued Under Share Based Compensation Plans, Shares Shares Issued Under Share Based Compensation Plans, Shares Other Other Accrued Liabilities, Noncurrent Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Assets, Total Assets Entity [Domain] Entity [Domain] Effective Income Tax Rate Reconciliation [Line Items] Effective Income Tax Rate Reconciliation [Line Items] Net reclassification adjustment for amounts recognized in net income as a component of net periodic pension benefit Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Preferred Stock, Value, Issued Preferred Stock, Shares Issued Shareholder Notes Payable, Term Note Receivable from ARO, Term Note Receivable from ARO, Term Operating Segments Operating Segments [Member] Revenues (exclusive of reimbursable revenues) Revenues Excluding Reimbursable Revenues Revenues Excluding Reimbursable Revenues ARO ARO [Member] ARO [Member] PEO PEO [Member] Upfront Rig Mobilizations And Certain Contract Preparation [Member] Upfront Rig Mobilizations And Certain Contract Preparation [Member] Upfront Rig Mobilizations And Certain Contract Preparation [Member] Changes in deferred costs Increase (Decrease) in Deferred Charges Number of ARO Rigs ordered Number of ARO Rigs ordered Number of ARO Rigs ordered Measurement Basis [Axis] Measurement Basis [Axis] OTHER LIABILITIES Other 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] ANGOLA ANGOLA Operating Lease, Liability, Noncurrent Operating Lease, Liability, Noncurrent Income and other taxes payable Taxes Payable, Current Retained Earnings Retained Earnings [Member] Revolving Credit Facility Revolving Credit Facility [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Schedule Of Carrying Values And Estimated Fair Values Of Debt Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Diluted (in dollars per share) Earnings Per Share, Diluted Capitalized Contract Cost, Amortization Expense, Remainder Of Fiscal Year Capitalized Contract Cost, Amortization Expense, Remainder Of Fiscal Year Capitalized Contract Cost, Amortization Expense, Remainder Of Fiscal Year 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 Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Debt Instrument Principle Percentage Redemption [Axis] Valaris Revolving Credit Facility Agreement Variable Interest Rate Description [Axis] Valaris Revolving Credit Facility Agreement Variable Interest Rate Description Country Region Country Region Interest income Interest Income, Operating, Paid in Cash Preference shares, $0.01 par value, 150.0 shares authorized, no shares issued as of September 30, 2026 and December 31, 2025 Preferred Stock, Value, Outstanding Stockholders' Equity Note [Abstract] Ownership [Domain] Ownership [Domain] 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] Revenue from Contract with Customer, Excluding Assessed Tax Revenue from Contract with Customer, Excluding Assessed Tax FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]        Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Interest income Other Interest and Dividend Income Defined Benefit Plan, Interest Cost Defined Benefit Plan, Interest Cost Segment Reporting, Revenue [Abstract] Segment Reporting, Revenue [Abstract] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table Text Block] Equity Method Investments Equity Method Investments [Table Text Block] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Reduced Contingent Contributions To Joint Venture Current commitment to ARO for newbuild rigs, after delivery of NB1 and NB2 Current commitment to ARO for newbuild rigs, after delivery of NB1 and NB2 Underlying Securities Award Underlying Securities Amount Australian Taxation Office Australian Taxation Office [Member] COMPREHENSIVE (INCOME) LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Other Other Assets, Other, Current Other Assets, Other, Current Estimate of Fair Value Measurement [Member] Estimate of Fair Value Measurement [Member] Revenue from Contract with Customer [Text Block] Revenue from Contract with Customer [Text Block] Prepaid expenses Prepaid Expense, Current Proceeds from Income Tax Refund, Foreign Proceeds from Income Tax Refund, Foreign Revenues from External Customers and Long-Lived Assets [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items] Work-in-progress Construction in Progress [Member] Capitalized Contract Cost [Table] Capitalized Contract Cost [Table] Segment Reporting [Table] Segment Reporting [Table] PROVISION FOR INCOME TAXES Income Tax Expense (Benefit), Continuing Operations [Abstract] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] OTHER INCOME (EXPENSE) Other Nonoperating Income (Expense) [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] Azule Energy Azule Energy [Member] Azule Energy OPERATING INCOME Operating Income (Loss) Asia & Pacific Rim Asia Pacific [Member] Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Stock warrants Warrants and Rights Outstanding Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Related Party Transaction [Domain] Related Party Transaction [Domain] Accounts, Notes, Loans and Financing Receivable [Line Items] SEC Schedule, 12-18, Supplemental Information, Property-Casualty Insurance Underwriters [Line Items] 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] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Debt Instrument, Issued, Percentage of Par Debt Instrument, Issued, Percentage of Par Debt Instrument, Issued, Percentage of Par Asset, Impairment Loss Asset, Impairment Loss Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common shares, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Kingdom 5 & 6 Kingdom 5 & 6 [Member] Kingdom 5 & 6 Equity Method Investment In ARO Equity Method Investments and Joint Ventures Disclosure [Text Block] Treasury Stock, Common, Shares Treasury Stock, Common, Shares Deferred Certification Costs Deferred Certification Costs [Member] Deferred Certification Costs [Member] Reimbursable Lease Revenue From Related Party Reimbursable Lease Revenue From Related Party Reimbursable Lease Revenue From Related Party Equity Components [Axis] Equity Components [Axis] Capitalized Contract Cost, Net Capitalized Contract Cost, Net Common Class A [Member] Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] NET (INCOME) LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS Net Income (Loss) Attributable to Noncontrolling Interest Net Income (Loss) Attributable to Noncontrolling Interest DEFERRED TAX LIABILITIES Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business COMPREHENSIVE INCOME ATTRIBUTABLE TO VALARIS Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Accrued liabilities and other  Accrued liabilities and other Other Liabilities, Current OTHER ASSETS Other Assets, Noncurrent Document Type Document Type Unrecognized tax benefits (inclusive of interest and penalties) Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Paid-in-Kind Interest Paid-in-Kind Interest BRAZIL BRAZIL Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Share Repurchase Program, Remaining Authorized, Amount Share Repurchase Program, Remaining Authorized, Amount Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Arrangement Duration Trading Arrangement Duration Local Phone Number Local Phone Number Noncurrent contract liabilities (deferred revenues) Contract with Customer, Liability, Noncurrent Supplemental Financial Information Additional Financial Information Disclosure [Text Block] Gulf of America Gulf of America [Member] Gulf of America Moody's Investors Service, Inc. Moody's Investors Service, Inc. [Member] Moody's Investors Service, Inc. Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name 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] Interest expense, net Interest Expense, Other COMMITMENTS AND CONTINGENCIES (Note 11) Commitments and Contingencies Total operating revenues OPERATING REVENUES Revenues PROPERTY AND EQUIPMENT, AT COST Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Effective Income Tax Rate, Continuing Operations, Excluding Discrete Items Effective Income Tax Rate, Continuing Operations, Excluding Discrete Items Effective Income Tax Rate, Continuing Operations, Excluding Discrete Items Equity in earnings of ARO Equity in earnings (losses) of ARO Income (Loss) from Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Receivable Type [Axis] Receivable Type [Axis] British Petroleum British Petroleum [Member] British Petroleum [Domain] Standards & Poor's Financial Services LLC Standards & Poor's Financial Services LLC [Member] Standards & Poor's Financial Services LLC Capitalized Contract Cost [Line Items] Capitalized Contract Cost [Line Items] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] AUSTRALIA AUSTRALIA Line of Credit Facility, Additional Borrowing Capacity Line of Credit Facility, Additional Borrowing Capacity Line of Credit Facility, Additional Borrowing Capacity All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Class of Warrant or Right (in shares) Class of Warrant or Right, Outstanding Fair Value Measurements Fair Value Disclosures [Text Block] Schedule Of Activity In Our Various Shareholders Equity Schedule Of Activity In Our Various Shareholders Equity [Table Text Block] Schedule Of Activity In Our Various Shareholders Equity [Table Text Block] Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired PEO Name PEO Name Geographical [Axis] Geographical [Axis] Kingdom 5 Kingdom 5 [Member] Kingdom 5 Net periodic pension and retiree medical income (loss) Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Contract with Customer, Liability Contract with Customer, Liability Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Payments for Repurchase of Common Stock Payments for Repurchase of Common Stock Treasury Stock, Value, Acquired, Cost Method CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Other Other Accrued Liabilities, Current 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] Accretion of discount on Notes Receivable from ARO Accretion of Discount on the Notes Receivable Accretion of Discount on the Notes Receivable 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] COMPREHENSIVE INCOME Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Equity Method Investment, Ownership Percentage Equity Method Investment, Ownership Percentage     Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense V247 V247 [Member] V247 Subsegments Consolidation Items [Domain] Subsegments Consolidation Items [Domain] Customer [Domain] Customer [Domain] Investment, Name [Domain] Investment, Name [Domain] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic Current contract liabilities (deferred revenues) Contract with Customer, Liability, Current Payments for share repurchases Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] LONG-TERM DEBT Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Restricted Cash, Noncurrent Restricted Cash, Noncurrent 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] Reimbursable revenues Reimbursable Revenues Reimbursable Revenues Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Payments for Other Taxes Payments for Other Taxes Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Capitalized Contract Cost, Amortization Expense, Year Three Capitalized Contract Cost, Amortization Expense, Year Three Capitalized Contract Cost, Amortization Expense, Year Three Cover [Abstract] Cover [Abstract] UNITED KINGDOM UNITED KINGDOM Concentration risk, percentage Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Equity Awards Adjustments Equity Awards Adjustments [Member] Eight Point Three Seven Five Percent Senior Second Lien Notes Eight Point Three Seven Five Percent Senior Second Lien Notes [Member] Eight Point Three Seven Five Percent Senior Second Lien Notes Capitalized Contract Cost, Amortization Expense, Year Four and Thereafter Capitalized Contract Cost, Amortization Expense, Year Four and Thereafter Capitalized Contract Cost, Amortization Expense, Year Four and Thereafter Total liabilities and shareholders' equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] V104 V104 [Member] V104 NONCONTROLLING INTERESTS Equity, Attributable to Noncontrolling Interest ARO Rig Currently Under Construction ARO Rig Currently Under Construction ARO Rig Currently Under Construction Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Related Party [Domain] Related and Nonrelated Parties [Domain] Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Number of Drilling Management Contracts Number of Drilling Management Contracts Number of Drilling Management Contracts Business Combination, Consideration Transferred, Equity Interest Issued And Issuable Business Combination, Consideration Transferred, Equity Interest Issued And Issuable Business Combination, Consideration Transferred, Equity Interest Issued And Issuable Other, net Other Nonoperating Income (Expense) Federal Funds Rate Federal Funds Rate [Member] Federal Funds Rate Other operating loss, net Other Operating Income (Expense), Net Other Operating Income (Expense), Net Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name Entity Address, State or Province Entity Address, Country Credit Rating Index [Axis] Credit Rating Index [Axis] Credit Rating Index 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] Petrobras S.A Petrobras S.A [Member] Petrobras S. A [Member] V75 V75 [Member] V75 General and administrative General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Preferred Stock, Shares Authorized Preferred Stock, Shares Authorized MS-1 MS-1 [Member] MS-1 Lease Revenue From Related Party excluding reimbursable revenues Lease Revenue From Related Party excluding reimbursable revenues Lease Revenue From Related Party excluding reimbursable revenues     Accounts receivable, net Accounts receivable, net Receivables, Net, Current Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Contract with Customer, Liability, Revenue Recognized, Included In Beginning Balance Contract with Customer, Liability, Revenue Recognized, Included In Beginning Balance Contract with Customer, Liability, Revenue Recognized, Included In Beginning Balance Adjustment to Compensation: Adjustment to Compensation [Axis] Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Prepaid taxes Prepaid Taxes Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Contributions to pension plans and other post-retirement benefits Payment for Pension and Other Postretirement Benefits Trade Trade Accounts Receivable [Member] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Schedule of Repurchase Agreements Schedule of Repurchase Agreements [Table Text Block] Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable - trade Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Other Other Operating Segment [Member] MALAYSIA MALAYSIA Other Other Noncash Income (Expense) Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Federal Fund Rate Plus One Half Member Federal Fund Rate Plus One Half Member [Member] Federal Fund Rate Plus One Half Member Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Equipment Equipment [Member] Business Combination, Voting Equity Interest Acquired, Percentage Business Combination, Voting Equity Interest Acquired, Percentage Business Combination, Voting Equity Interest Acquired, Percentage Interest receivable Interest Receivable Name Trading Arrangement, Individual Name Other Deferred Costs, Net Other Deferred Costs, Net     Cash and cash equivalents Cash and Cash Equivalent Contract Drilling Expenses Exclusive of Depreciation and Reimbursable Expenses Contract Drilling Expenses Exclusive of Depreciation and Reimbursable Expenses Contract Drilling Expenses Exclusive of Depreciation and Reimbursable Expenses Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Investment Owned, Balance [Abstract] Investment Owned, Balance [Abstract] Income Taxes Receivable Income Taxes Receivable Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Net income NET INCOME Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest CURRENT ASSETS Assets, Current [Abstract] Reconciling Items Reconciling Items Member Reconciling Items [Member] Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Amortization of basis differences Income (Loss) From Equity Method Investments, Amortization Of Basis Difference Income (Loss) From Equity Method Investments, Amortization Of Basis Difference Total Number Of Contract Drilling Rigs, Leased Total Number Of Contract Drilling Rigs, Leased Total Number Of Contract Drilling Rigs, Leased Depreciation Depreciation, Nonproduction Total provision for income taxes Income tax benefit Income Tax Expense (Benefit) Gain (Loss), Foreign Currency Transaction, before Tax Gain (Loss), Foreign Currency Transaction, before Tax     Depreciation expense Cost, Depreciation Remaining duration of drilling contracts Drilling Contracts, Term Drilling Contracts, Term Customer Concentration Risk Customer Concentration Risk [Member] Total contract drilling expenses (exclusive of depreciation) Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] INCREASE (DECREASE) IN CASH AND 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] Defined Benefit Plan, Amortization of Gain (Loss) Defined Benefit Plan, Amortization of Gain (Loss) NET INCOME ATTRIBUTABLE TO VALARIS Net Income (Loss) Attributable to Parent 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 Restatement Determination Date: Restatement Determination Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] DPS-3, DPS-5 & DPS-6 DPS-3, DPS-5 & DPS-6 [Member] DPS-3, DPS-5 & DPS-6 Loss Contingency, Damages Sought, Value Loss Contingency, Damages Sought, Value Accounts Receivable, Allowance for Credit Loss, Recovery Accounts Receivable, Allowance for Credit Loss, Recovery Discount Receivable with Imputed Interest, Discount Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]