Dividends paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Less: Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Entity Listings, Exchange [Axis] Entity Listings, Exchange [Axis] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Award Timing Predetermined Award Timing Predetermined [Flag] Other deductions, Net [Table] Other deductions, Net [Table] Other deductions, Net Product warranty Standard and Extended Product Warranty Accrual Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Goodwill expected tax deductible amount Business Combination, Goodwill, Expected Tax Deductible, Amount Entity File Number Entity File Number Additional paid-in-capital Additional Paid-in Capital [Member] Schedule of Depreciation and Amortization Components Depreciation and Amortization components [Table Text Block] Depreciation and Amortization components OTHER DEDUCTIONS, NET Other Income and Other Expense Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Other comprehensive income (loss), tax Other Comprehensive Income (Loss), Tax OTHER FINANCIAL INFORMATION Additional Financial Information Disclosure [Text Block] Schedule of Other Liabilities Other Noncurrent Liabilities [Table Text Block] Accounts payable Increase (Decrease) in Accounts Payable Restructuring [Domain] Type of Restructuring [Domain] Interest expense (net of interest income of $45, $26, $89 and $52, respectively) Interest expense, net Interest Income (Expense), Nonoperating Business combination, accrued deal fees, net of tax Business Combination, Accrued Deal Fees, Net Of Tax Business Combination, Accrued Deal Fees, Net Of Tax Goodwill [Line Items] Goodwill [Line Items] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Net investment hedges included in other comprehensive income Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] REVENUE RECOGNITION Revenue from Contract with Customer [Text Block] Net contract assets Net Contract Assets (Liabilities) Net Contract Assets (Liabilities) Unbilled receivables (contract assets) Unbilled Receivables, Current Total other comprehensive income (loss) Other comprehensive income Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] FINANCIAL INSTRUMENTS Derivatives and Fair Value [Text Block] Pension and postretirement liabilities Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent Backlog Revenue, Remaining Performance Obligation, Amount Adjustment to Compensation, Amount Adjustment to Compensation Amount Percentage of backlog recognized as revenue, next 12 months Revenue, Remaining Performance Obligation, Percentage Schedule of Other Deductions, Net Schedule of Other Deductions, net [Table Text Block] Schedule of Other Deductions, net [Table] Net increase in short-term borrowings Proceeds from (Repayments of) Short-Term Debt, Maturing in Three Months or Less Consolidation Consolidation, Policy [Policy Text Block] Settlement of AspenTech share awards Settlement of AspenTech share awards Payment For Settlement Of Awards Payment For Settlement Of Awards Stock compensation Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Common stockholders’ equity Equity, Attributable to Parent Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Insider Trading Policies and Procedures [Line Items] Stock compensation Share-Based Payment Arrangement, Expense Schedule of Property, Plant and Equipment, net Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Asbestos litigation Liability for Asbestos and Environmental Claims, Gross NYSE Texas NYSE CHICAGO, INC. [Member] Current assets Assets, Current [Abstract] Total liabilities and equity Liabilities and Equity Settlement of AspenTech share awards Adjustments To Additional Paid In Capital, Settlement Of Awards Adjustments To Additional Paid In Capital, Settlement Of Awards Pension and postretirement Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Financial Instruments [Table] Derivative Instruments, Gain (Loss) [Table] Due October 2025 One Point Two Five Percentage Due Two Thousand Twenty Five [Member] One Point Two Five Percentage Due Two Thousand Twenty Five Beginning cash and equivalents Ending cash and equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Cover page. Cover [Abstract] DISCONTINUED OPERATIONS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Amortization of intangibles in cost of sales Cost, Amortization Less: Noncontrolling interests in subsidiaries Net Income (Loss) Attributable to Noncontrolling Interest Accounting Policies [Abstract] Accounting Policies [Abstract] Net carrying amount Other intangible assets Finite-Lived Intangible Assets, Net Due March 2035 Five Point Zero Percentage Due Two Thousand Thirty Five [Member] Five Point Zero Percentage Due Two Thousand Thirty One Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Amortization of intangibles (intellectual property and customer relationships) Amortization Of Intangibles Intellectual Property And Customer Relationships Amortization Of Intangibles Intellectual Property And Customer Relationships Treasury stock Treasury Stock, Common [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other Financial Information [Abstract] Other Financial Information Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Earnings before income taxes Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Financial Information By Geographic Area Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Other liabilities Other Liabilities, Noncurrent Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Less: Noncontrolling interests in subsidiaries Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive income common stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Restructuring reserve, beginning balance Restructuring reserve, ending balance Restructuring Reserve Purchase of noncontrolling interest Payments to Noncontrolling Interests Operating lease liabilities (current) Operating Lease, Liability, Current Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Award Type Award Type [Axis] Foreign currency translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Total assets Assets Assets Total other assets Assets, Noncurrent, Other than Noncurrent Investments and Property, Plant and Equipment Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Other deductions, Net [Line Items] Other deductions, Net [Line Items] Other deductions, Net [Line Items] Entity Address, City or Town Entity Address, City or Town Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Weighted-average useful life Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount National Instruments National Instruments [Member] National Instruments Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company 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] Intelligent Devices Intelligent Devices [Member] Intelligent Devices Level 2 Fair Value, Inputs, Level 2 [Member] Total gains included in earnings Derivative, Gain (Loss) on Derivative, Net Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Fair value of long-term debt compared with carrying value Fair Value Long Term Debt Compared With Carrying Value The aggregate fair value of long term debt in excess of/(less than) the related carrying value. Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding PEO PEO [Member] Sensors Sensors [Member] Sensors Severance and benefits Employee Severance [Member] Interest income Investment Income, Interest Pension assets Assets for Plan Benefits, Defined Benefit Plan Income taxes Accrued Income Taxes, Current Changes in operating working capital 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 earnings Retained Earnings [Member] Schedule of Accrued Expenses Schedule of Accrued Liabilities [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-Based Payment Arrangement [Abstract] Cash and equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income taxes Income Tax Expense (Benefit) Other intangible assets 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] Cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Property, plant and equipment, at cost Property, Plant and Equipment, Gross Business combination, accrued deal fees Business Combination, Transaction Cost, Excluding Separately Recognized Transaction Diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Common stockholders' equity Parent [Member] Net earnings Net earnings Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] Notional amount of foreign currency hedge positions Derivative, Notional Amount Discontinued Operations and Disposal Groups [Abstract] Other current assets Increase (Decrease) in Other Current Assets RESTRUCTURING COSTS Restructuring and Related Activities Disclosure [Text Block] Other Income and Expenses [Abstract] Other Income and Expenses [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code ACQUISITIONS AND DIVESTITURES Mergers, Acquisitions and Dispositions Disclosures [Text Block] Purchases of businesses, net of cash and equivalents acquired Purchase price of businesses, 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] Accrued expenses Accrued Liabilities, Current Schedule of Contract Assets and Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Debt instrument, term Debt Instrument, Term Cost of sales Cost of Sales [Member] Goodwill Goodwill 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] Depreciation expense Depreciation Equity Components [Axis] Equity Components [Axis] Reclass negative APIC to retained earnings Adjustments to Additional Paid In Capital, Reclassification Adjustments to Additional Paid In Capital, Reclassification Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Payments on short-term borrowings greater than three months Repayments of Debt, Maturing in More than Three Months Sales Sales [Member] BASIS OF PRESENTATION Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Other restructuring costs Other Restructuring Costs Restructuring [Line Items] Restructuring Cost and Reserve [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Short-term borrowings and current maturities of long-term debt Debt, Current Entity Address, State or Province Entity Address, State or Province Total current liabilities Liabilities, Current Income tax (expense) benefit related to discrete tax items, as a percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Increase (Decrease), Net, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Increase (Decrease), Net, Percent Derivative Instrument Risk [Axis] Derivative Instrument [Axis] 2.000% Notes due 2029 2.000% Notes due 2029 [Member] 2.000% Notes due 2029 Individual: Individual [Axis] Dividends paid Payments of Ordinary Dividends, Common Stock Other current assets Other Assets, Current Entities [Table] Entities [Table] Other Other Restructuring [Member] Cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Expected timing of satisfaction, backlog Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 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] Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Payments of long-term debt Repayments of Long-Term Debt Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Acquisition/divestiture fees and related costs Business Combination, Acquisition-Related Cost, Expense Deferred income taxes Deferred Tax Assets, Deferred Income Test & Measurement Test And Measurement [Member] Test And Measurement BUSINESS SEGMENTS Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Final Control Final Control [Member] Final Control Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Ownership [Domain] Ownership [Domain] Schedule of Pension and Postretirement Plan Expenses Schedule of Net Benefit Costs [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Comprehensive Income (Loss) Note [Text Block] Selling, general and administrative expenses Selling, General and Administrative Expense Exchange [Domain] Exchange [Domain] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Depreciation and amortization Total Depreciation, Depletion and Amortization Proceeds from short-term borrowings greater than three months Proceeds from Short-Term Debt, Maturing in More than Three Months Other Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name 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] Finished products Inventory, Finished Goods, Gross Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Facility Revolving Credit Facility [Member] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Customer advances (contract liabilities) Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Europe Europe [Member] Other, net Payment for (Proceeds from) Other Investing Activity Other, net Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item STOCK-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] Expected fiscal year restructuring expense Restructuring and Related Cost, Expected Cost ASSETS Assets [Abstract] Long-term debt Long-Term Debt, Excluding Current Maturities Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument, Redemption [Line Items] Debt Instrument, Redemption [Line Items] Debt Instrument [Axis] Debt Instrument [Axis] PENSION & POSTRETIREMENT PLANS Retirement Benefits [Text Block] Software & Systems Software And Systems [Member] Software And Systems Business Combination [Line Items] Business Combination [Line Items] Credit Facility [Domain] Credit Facility [Domain] Gross carrying amount 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 Purchases Treasury Stock, Value, Acquired, Cost Method Accumulated other comprehensive income (loss) AOCI Attributable to Parent [Member] Notes interest rate, percentage Debt Instrument, Interest Rate, Stated Percentage Allowance for doubtful accounts receivable Accounts Receivable, Allowance for Credit Loss, Current Operating lease liabilities (noncurrent) Operating Lease, Liability, Noncurrent Raw materials and work in process Inventory, Work in Process and Raw Materials Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Ownership [Axis] Ownership [Axis] Americas Americas [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line 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] Total Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Amortization of capitalized software Capitalized Computer Software, Amortization New York Stock Exchange NEW YORK STOCK EXCHANGE, INC. [Member] Income tax benefit related to discrete tax items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Acquisition Charges And Other, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Acquisition Charges And Other, Amount Document Quarterly Report Document Quarterly Report Fair value of long-term debt 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] 3.000% Notes due 2031 3.000% Notes due 2031 [Member] 3.000% Notes due 2031 Income taxes benefit related to discrete tax items (in dollars per share) Effective Income Tax Rate Reconciliation, Nondeductible Expense, Acquisition Charges And Other, Per Share Effective Income Tax Rate Reconciliation, Nondeductible Expense, Acquisition Charges And Other, Per Share Segment Reconciling Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Interest cost Defined Benefit Plan, Interest Cost Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Cash from continuing operations Cash Provided by (Used in) Operating Activity, Continuing Operation Effective income tax rate, increase (decrease) due to tax deduction, percent Effective Income Tax Rate Reconciliation, Increase (Decrease) Due To Tax Deduction, Percent Effective Income Tax Rate Reconciliation, Increase (Decrease) Due To Tax Deduction, Percent Schedule of Other Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Payments to acquire businesses, gross Payments to Acquire Businesses, Gross Stock plans Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Schedule of Restructuring Expense by Segment Restructuring and Related Costs [Table Text Block] Other, net Proceeds from (Payment for) Other Financing Activity Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Reclassification, net of tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Gains (losses) included in other comprehensive income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Noncontrolling interests in subsidiaries Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Due March 2031 Three Point Zero Percentage Due Two Thousand Thirty One [Member] Three Point Zero Percentage Due Two Thousand Thirty One Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Purchase of noncontrolling interest Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Compensation Amount Outstanding Recovery Compensation Amount Debt, face amount Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Foreign Exchange Contract Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Restructuring Charges Restructuring Charges [Member] Revenue recognized, included in beginning contract liability Contract with Customer, Liability, Revenue Recognized MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Utilized/Paid Payments for Restructuring Restructuring [Axis] Restructuring Type [Axis] Five Year Revolving Backup Credit Facility Five Year Revolving Backup Credit Facility [Member] Five Year Revolving Backup Credit Facility Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Employee Stock Employee Stock [Member] Changes in operating working capital Total changes in operating working capital Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital Stock plans APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Deferred income taxes Deferred Tax Liabilities, Gross Segments [Domain] Segments [Domain] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Revolving Backup Credit Facility 364-Day Revolving Backup Credit Facility [Member] 364-Day Revolving Backup Credit Facility Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Inventories Increase (Decrease) in Inventories Inventories Total Inventory, Net Acquired Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Other assets Assets, Noncurrent [Abstract] Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net amortization Defined Benefit Plan Net Amortization The amount of gain/(loss), transition obligations/(assets) and prior service cost/(credit) recognized in net periodic benefit cost. Company Selected Measure Name Company Selected Measure Name Senior Notes Senior Notes [Member] DEBT 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] All Executive Categories All Executive Categories [Member] Business combination, deal and transaction fees, net of tax Business Combination, Transaction Related Fees, Net of Tax Business Combination, Transaction Related Fees, Net of Tax Common stock, $0.50 par value; authorized, 1,200.0 shares; issued, 953.4 shares; outstanding, 562.8 shares and 560.1 shares, respectively Common Stock, Value, Issued Diluted (in shares) Diluted shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Safety & Productivity Safety And Productivity [Member] Safety & Productivity [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived 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] Net earnings (loss) Net Income (Loss) Attributable to Redeemable Noncontrolling Interest AspenTech purchases of common stock AspenTech AspenTech [Member] AspenTech Noncontrolling interests in subsidiaries Noncontrolling Interest [Member] Business combination, deal and transaction fees Business Combination, Transaction Related Fees Business Combination, Transaction Related Fees Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Total gains included in other comprehensive income Other Comprehensive Income (Loss), before Reclassifications, before Tax Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount TAXES Income Tax Disclosure [Text Block] 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] Scenario [Axis] Scenario [Axis] Total equity Stockholders' equity, beginning balance Stockholders' equity, ending balance Equity, Including Portion Attributable to Noncontrolling Interest Document Type Document Type COMMON SHARES Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name AMEA Asia, Middle East and Africa [Member] Asia, Middle East and Africa Additional paid-in-capital Additional Paid in Capital Pension and postretirement Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Product and Service [Axis] Product and Service [Axis] Gains (losses) included in earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Derivative Contract Type [Domain] Derivative Contract [Domain] Amortization of intangibles (includes $49, $49, $99 and $98 reported in Cost of Sales, respectively) Amortization of intangibles excluding capitalized software Amortization of intangibles excluding capitalized software Net sales Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Receivables Increase (Decrease) in Receivables Capital expenditures Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name 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] Other Liabilities Disclosure [Abstract] Cash from discontinued operations Cash from discontinued operating activities Cash Provided by (Used in) Operating Activity, Discontinued Operation Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Schedule of Other Assets Schedule of Other Assets [Table Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Entity Information [Line Items] Entity Information [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Current liabilities Liabilities, Current [Abstract] Geographical [Axis] Geographical [Axis] Schedule of Derivative Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Sales, excluding intersegment eliminations Revenue from Contract with Customer, Excluding Assessed Tax and Intersegment Eliminations Revenue from Contract with Customer, Excluding Assessed Tax and Intersegment Eliminations Issued under stock plans Stock Issued Under Stock Plans During Period Value Treasury Stock Reissue Value of treasury stock reissued during the period under stock plans and other. Accrued expenses Increase (Decrease) in Accrued Liabilities Due March 2037 Three Point Five Percentage Due Two Thousand Thirty Seven [Member] Three Point Five Percentage Due Two Thousand Thirty Siven Forecast Forecast [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Receivables, less allowances of $123 and $125, respectively Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security Other deductions, net Other Expense [Member] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Treasury stock, shares (in shares) Treasury Stock, Common, Shares Unallocated pension and postretirement costs Pension and Other Postretirement Benefits Cost (Reversal of Cost) Earnings per share: Earnings Per Share [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Noncontrolling interest, ownership percentage by parent Subsidiary, Ownership Percentage, Parent Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Control Systems & Software Control Systems And Software [Member] Control Systems And Software Award Timing Disclosures [Line Items] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Service cost Defined Benefit Plan, Service Cost Employee compensation Employee-related Liabilities, Current Other deductions, net Total Other Deductions, Net Other operating and non-operating expenses/(income), net. Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Net earnings common stockholders Net earnings common stockholders Net Income (Loss) Attributable to Parent Intersegment Eliminations [Member] Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Property, plant and equipment, net Total Property, Plant and Equipment, Net 3.500% Notes due 2037 3.500% Notes due 2037 [Member] 3.500% Notes due 2037 Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Restructuring costs Expense Restructuring Charges Purchases of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Copeland Copeland [Member] Copeland Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Unbilled receivables (contract assets) Contract with Customer, Asset, after Allowance for Credit Loss Restructuring [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Customer Relationships Customer Relationships [Member] Line of Credit Line of Credit [Member] Retained earnings Retained Earnings (Accumulated Deficit) Purchase of noncontrolling interest Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Net investment hedges included in earnings Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax 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] AOCI Including Portion Attributable to Noncontrolling Interest [Abstract] AOCI Including Portion Attributable to Noncontrolling Interest [Abstract] Repayments of debt Repayments of Debt Other comprehensive income (loss), net of tax: Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Proceeds from long-term debt Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Cash flow hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] 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 Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Effect of exchange rate changes on cash and equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Adjustments to reconcile net earnings to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Weighted average outstanding shares: Earnings Per Share, Basic, Other Disclosure [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Customer advances (contract liabilities) Contract with Customer, Liability All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag Common stock available to be issued (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Cost of common stock in treasury, 390.6 shares and 393.3 shares, respectively Treasury Stock, Common, Value Termination Date Trading Arrangement Termination Date 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] Foreign currency transaction (gains) losses Realized Gain (Loss), Foreign Currency Transaction, before Tax Basic (in shares) Basic shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Cost of sales Cost of Product and Service Sold Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] 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 Scenario [Domain] Scenario [Domain] Proceeds from sale of equity method investments Proceeds from Sale of Equity Method Investments Reclassification of (gains) losses to sales and cost of sales, tax Reclassification from AOCI, Current Period, Tax Income tax (expense) benefit related to business combinations, as a percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Increase (Decrease), Business Combinations, Net, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Increase (Decrease), Business Combinations, Net, Percent Dividends paid (per share: $0.5275, $0.555, $1.055 and $1.11, respectively) Dividends, Cash 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 Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Schedule of Basic and Diluted Earnings Per Share Reconciliation Schedule of Weighted Average Number of Shares [Table Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued Collateral held from counterparties Collateral Held from Counterparties The aggregate fair value of assets held at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. Common Stock of $0.50 par value per share Common Stock of $0.50 par value per share [Member] Common Stock of $0.50 par value per share Schedule of Goodwill by Business Segment Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Asbestos-related insurance receivables Recorded Third-Party Environmental Recoveries Receivable Foreign currency translation Foreign currency translation 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 Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Intellectual Property Intellectual Property [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Open Grid Systems Limited Open Grid Systems Limited [Member] Open Grid Systems Limited Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Debt Instrument Redemption [Table] Debt Instrument Redemption [Table] Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Schedule of Change in Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Common stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Increase (decrease) in cash and equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Dilutive shares (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Collateral already posted, aggregate fair value Collateral Already Posted, Aggregate Fair Value