Dividends (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Refrigerants & Applied Solutions Refrigerants & Applied Solutions [Member] Refrigerants & Applied Solutions Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Electronic & Specialty Materials Electronic & Specialty Materials [Member] Electronic & Specialty Materials Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Gross Carrying Amount Intangible Assets, Gross (Excluding Goodwill) Indefinite-Lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Quimobásicos JV Quimobásicos JV [Member] Quimobásicos JV Tabular List, Table Tabular List [Table Text Block] Unbilled contracts receivable Unbilled Contracts Receivable Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Accounts payable Increase in accounts payable Increase (Decrease) in Accounts Payable Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Type of Restructuring [Domain] Type of Restructuring [Domain] Goodwill [Line Items] Goodwill [Line Items] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic earnings per share (in usd per share) Basic EPS (in usd per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Liabilities Liabilities, Fair Value Disclosure [Abstract] Revenue Recognition and Contracts with Customers Revenue from Contract with Customer [Text Block] Asset retirement obligations, risk free rate Asset Retirement Obligations, Risk Free Rate Asset Retirement Obligations, Risk Free Rate Total other comprehensive (loss) income, net of tax Net current period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Inventory Disclosure [Abstract] Intangible Asset, Indefinite-Lived [Table] Intangible Asset, Indefinite-Lived [Table] Healthcare Packaging Healthcare Packaging [Member] Healthcare Packaging Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Adjustment to Compensation, Amount Adjustment to Compensation Amount Affiliated Entity Affiliated Entity [Member] Revenue, remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Other assets Increase (Decrease) in Other Operating Assets Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Indefinite-Lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets [Line Items] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Within One Year Within One Year [Member] Within One Year Dividends ($0.075 per share) Dividends, Common Stock, Cash Total Solstice Advanced Materials shareowners’ equity Equity, Attributable to Parent Other comprehensive (loss) income, net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Share-based payment arrangement, expense Stock-based compensation expense Share-Based Payment Arrangement, Expense Common stock, shares authorized (in shares) Common Stock, Shares Authorized Goodwill and Intangible Assets Disclosure [Abstract] Common stock issued (in shares) Stock Issued During Period, Shares, New Issues Current assets: Assets, Current [Abstract] Total liabilities and equity Liabilities and Equity Pension Adjustments Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Cover [Abstract] Maximum Maximum [Member] Equity Method Investment [Table] Equity Method Investment [Table] Less: Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Capital expenditures Segment, Expenditure, Addition to Long-Lived Assets Accounting Policies [Abstract] Net Carrying Amount Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Refrigerants Refrigerants [Member] Refrigerants Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Product loan payable Loans Payable, Fair Value Disclosure Debt instrument, prepayment penalty on repricing, period Debt Instrument, Prepayment Penalty on Repricing, Period Debt Instrument, Prepayment Penalty on Repricing, Period Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount LIABILITIES Liabilities [Abstract] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] ConverDyn ConverDyn [Member] ConverDyn Income before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other noncurrent liabilities Noncurrent liabilities Other Liabilities, Noncurrent Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from disposals of property, plant, and equipment Proceeds from Sale of Property, Plant, and Equipment Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Cash flow hedges recognized in other comprehensive income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Statement of Cash Flows [Abstract] Current portion of long-term debt Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount Asahi-Schwebel JV Asahi-Schwebel JV [Member] Asahi-Schwebel JV 5.625% Senior Notes due 2033 5.625% Senior Notes due 2033 [Member] 5.625% Senior Notes due 2033 Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Loss contingency, claims settled, number Loss Contingency, Claims Settled, Number Other liabilities, noncurrent Increase (Decrease) in Other Noncurrent Liabilities Name Measure Name Letter of Credit Letter of Credit [Member] Other receivables Other Receivables Transaction-related costs Transaction-related costs Other Nonrecurring Expense Secured Debt Secured Debt [Member] Deferred income taxes Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Senior Credit Facility Senior Credit Facilities [Member] Senior Credit Facilities Award Type Award Type [Axis] Foreign Exchange Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Legal Entity [Axis] Legal Entity [Axis] Total assets Total assets Assets Investment, Name [Domain] Investment, Name [Domain] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol Entity Address, City or Town Entity Address, City or Town Adjusted EBITDA Earnings Before Interest, Tax, Depreciation And Amortization, Net of Corporate Nonsegment Adjustments Earnings Before Interest, Tax, Depreciation And Amortization, Net of Corporate Nonsegment Adjustments Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other segment items Other adjustments Segment Reporting, Other Segment Item, Amount Inventories Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units Restricted Stock Units (RSUs) [Member] Sinochem Lantian New Materials Co., Ltd. Sinochem Lantian New Materials Co., Ltd. [Member] Sinochem Lantian New Materials Co., Ltd. Less Segment, Reconciliation of Other Items from Segments to Consolidated [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Assets Assets, Fair Value Disclosure [Abstract] Honeywell Honeywell [Member] Honeywell 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Accrual for Environmental Loss Contingencies [Roll Forward] Accrual for Environmental Loss Contingencies [Roll Forward] 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] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Unamortized debt issuance costs Debt Issuance Costs, Net Common stock, issued, distribution ratio Common Stock, Issued, Distribution Ratio Common Stock, Issued, Distribution Ratio Equity method investments Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Indefinite-life intangibles Indefinite-Lived Intangible Assets (Excluding Goodwill) Related Party Related Party [Member] Shares outstanding (in shares) Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Common Stock, Shares, Outstanding Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Loss contingency, pending claims, number Loss Contingency, Pending Claims, Number Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Schedule of Common Stock Outstanding Roll Forward Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Building Solutions and Intermediates Building Solutions and Intermediates [Member] Building Solutions and Intermediates Changes in assets and liabilities 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] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Retained Earnings Retained Earnings [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-Based Payment Arrangement [Abstract] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income tax expense Income tax expense Income Tax Expense (Benefit) Debt instrument, prepayment penalty on repricing, percentage Debt Instrument, Prepayment Penalty on Repricing, Percentage Debt Instrument, Prepayment Penalty on Repricing, Percentage Intangible assets – net Intangible assets – net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Management Cost and Corporate Support Services Management Cost and Corporate Support Services [Member] Management Cost and Corporate Support Services Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Changes in fair value of cash flow hedges Changes in fair value of cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Fair Value Liabilities, Fair Value Disclosure Net Parent Investment Net Parent Investment [Member] Net Parent Investment Organization, Consolidation and Presentation of Financial Statements [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Nuclear Facility Nuclear Facility [Member] Nuclear Facility City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Commitments and Contingencies Disclosure [Abstract] Contract with Customer, Contract Asset, Contract Liability, and Receivable Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Debt instrument, term Debt Instrument, Term Related Party Transactions [Abstract] Equity Method Investments and Joint Ventures [Abstract] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Goodwill Beginning balance Ending balance 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 Depreciation Depreciation 2026 (remaining nine months) Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Equity Components [Axis] Equity Components [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Products Product [Member] Number of reportable segments Number of Reportable Segments Nuclear Nuclear [Member] Nuclear Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Finance lease payments Finance Lease, Principal Payments Product loan receivable Loans Receivable, Fair Value Disclosure Unused borrowing capacity, amount Debt Instrument, Unused Borrowing Capacity, Amount Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Total current liabilities Liabilities, Current Patents and technologies Patents And Technology [Member] Patents And Technology Individual: Individual [Axis] Other current assets Current assets Other Assets, Current Entity [Domain] Entity [Domain] Net cash used for investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Amortization Amortization Amortization 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] Electronic Materials Electronic Materials [Member] Electronic Materials Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective income tax rate reconciliation, percent Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Capitalized software Payments for Software Plan Name [Domain] Plan Name [Domain] EQUITY Equity [Abstract] Contract Balances and Performance Obligations Revenue from Contract with Customer [Policy Text Block] Sidecar LC Facilities Sidecar LC Facilities [Member] Sidecar LC Facilities Add Segment Reconciliation [Abstract] Segment Financial Data Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] 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] Current portion of long-term debt and finance lease liabilities, current Long-Term Debt and Lease Obligation, Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Trademarks Trademarks [Member] Other Commitments [Line Items] Other Commitments [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Ownership [Domain] Ownership [Domain] Product loans payable, noncurrent Product Loans Payable, Noncurrent Product Loans Payable, Noncurrent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of intangible assets Amortization of Intangible Assets Selling, general and administrative expenses Selling, General and Administrative Expense Deferred income taxes Deferred Income Tax Assets, Net Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Other noncurrent assets Noncurrent assets Other Assets, Noncurrent Entity central index key Entity Central Index Key Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Four Finite-Lived Intangible Asset, Expected Amortization, after Year Four 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 Accruals for environmental matters deemed probable and reasonably estimable Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses Revolving Credit Facility Revolving Credit Facility [Member] Finance lease liabilities Finance Lease, Liability Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Restructuring, parent support, guarantor of debt, transition period Restructuring, Parent Support, Guarantor of Debt, Transition Period Restructuring, Parent Support, Guarantor of Debt, Transition Period Raw materials Inventory, Raw Materials and Supplies, Gross Segments [Axis] Segments [Axis] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Stock-Based Compensation Plans Share-Based Payment Arrangement [Text Block] 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 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Debt Instrument [Axis] Debt Instrument [Axis] Restructuring, parent support, transition period Restructuring, Parent Support, Transition Period Restructuring, Parent Support, Transition Period Fair Value Measurements Fair Value Disclosures [Text Block] Credit Facility [Domain] Credit Facility [Domain] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Net change Contract With Customer, Assets (Liabilities), Increase (Decrease) Contract With Customer, Assets (Liabilities), Increase (Decrease) Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Research and development expenses Research and Development Expense Accumulated Other Comprehensive Loss Total AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Debt instrument, interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Allowance for credit loss Accounts Receivable, Allowance for Credit Loss, Current Ownership [Axis] Ownership [Axis] Work in process Inventory, Work in Process, Gross Intangible Assets, Net (Excluding Goodwill) [Abstract] Intangible Assets, Net (Excluding Goodwill) [Abstract] Fair Value as of Grant Date Award Grant Date Fair Value Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Dilutive effect of stock-based compensation plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Greater Than One Year Greater Than One Year [Member] Greater Than One Year Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Fair Value Assets, Fair Value Disclosure Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Schedule of Debt Schedule of Debt [Table Text Block] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Services Service [Member] Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Accrued and other current liabilities Accrued and Other Liabilities, Current Accrued and Other Liabilities, Current Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Personal Injury Case Personal Injury Case [Member] Personal Injury Case Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Solstice 2025 Stock Incentive Plan Solstice 2025 Stock Incentive Plan [Member] Solstice 2025 Stock Incentive Plan Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Amounts reclassified from accumulated other comprehensive loss Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Other intangible assets Other Intangible Assets [Member] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Other non-cash adjustments Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Debt instrument, face amount Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Contract with customer, liability, revenue recognized 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] Restructuring Type [Axis] Restructuring Type [Axis] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Net sales Revenues [Abstract] Schedule Of Accrual For Environmental Loss Contingencies Roll Forward Schedule Of Accrual For Environmental Loss Contingencies Roll Forward [Table Text Block] Schedule Of Accrual For Environmental Loss Contingencies Roll Forward Product loans receivable, current Product Loans Receivable, Current Product Loans Receivable, Current Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Total Long-Term Debt and Lease Obligation Supply Chain Financing Supply Chain Financing, Policy [Policy Text Block] Supply Chain Financing, Policy Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Litigation Case [Axis] Litigation Case [Axis] Segments [Domain] Segments [Domain] Schedule of Indefinite-Lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Less: Reclassification adjustment for gains included in net income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Inventories Increase (Decrease) in Inventories Inventories Inventories Inventory, Net Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Company Selected Measure Name Company Selected Measure Name Beginning balance Ending balance Accrual for Environmental Loss Contingencies Total long-term debt and lease liabilities Long-Term Debt and Lease Obligation, Including Current Maturities Cost of products and services sold, net of adjustments Cost of Product and Service Sold, Net of Adjustments Cost of Product and Service Sold, Net of Adjustments 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] Stockholders' Equity Note [Abstract] Common stock (par value $0.01 per share; 500,000,000 shares authorized; 158,795,531 shares issued and outstanding at March 31, 2026; 158,747,196 shares issued and outstanding at December 31, 2025) Common Stock, Value, Issued Goodwill [Roll Forward] Goodwill [Roll Forward] Equity income of affiliated companies Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Weighted average number of common shares outstanding - diluted (in shares) Weighted average number of common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and Contingencies Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Accounts payable, interest-bearing, interest rate Accounts Payable, Interest-Bearing, Interest Rate Income Tax Disclosure [Abstract] Noncontrolling Interest Noncontrolling Interest [Member] Document Transition Report Document Transition Report Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income 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] Outstanding debt of carrying value Debt Instrument, Fair Value Disclosure Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Document Type Document Type Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Pension and other postretirement benefit adjustments Pension and other postretirement benefit adjustments Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Product and Service [Axis] Product and Service [Axis] Net sales Revenue from Contract with Customer, Excluding Assessed Tax Performance Stock Units Performance Stock Units (PSU) [Member] Performance Stock Units (PSU) All Individuals All Individuals [Member] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Capital expenditures paid Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Currency Translation Adjustment Goodwill, Foreign Currency Translation, Gain (Loss) Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Current liabilities: Liabilities, Current [Abstract] Product loans receivable Product loans receivable Product Loans Receivable Product Loans Receivable Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Preferred stock, no par value (in usd per share) Preferred Stock, No Par Value Long-term line of credit Long-Term Line of Credit Increase in accrued liabilities Increase (Decrease) in Accrued Liabilities Related Party Transaction [Table] Related Party Transaction [Table] Diluted earnings per share (in usd per share) Diluted EPS (in usd per share) Earnings Per Share, Diluted Accrued and other liabilities, current Increase (Decrease) in Other Accrued Liabilities Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, less allowances Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security Earnings Per Share [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Deferred income and customer advances Change in Contract liabilities - (increase) decrease Increase (Decrease) in Contract with Customer, Liability Common stock acquired (in shares) Treasury Stock, Shares, Acquired Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Award Timing Disclosures [Line Items] Schedule of Components of Inventories Schedule of Inventory, Current [Table Text Block] Segment Adjusted EBITDA Earnings Before Interest, Tax, Depreciation And Amortization Earnings Before Interest, Tax, Depreciation And Amortization Long-term debt Long-Term Debt, Gross Service Cost Defined Benefit Plan, Service Cost Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Axis] Revenue, Remaining Performance Obligation, Expected Timing Of Satisfaction [Axis] Revenue, Remaining Performance Obligation, Expected Timing Of Satisfaction Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Property, plant and equipment – net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Shareowners' Equity Equity [Text Block] Debt instrument, maintenance fee, percentage Debt Instrument, Maintenance Fee, Percentage Debt Instrument, Maintenance Fee, Percentage Product loans payable, current Product Loans Payable, Current Product Loans Payable, Current Net income attributable to Solstice Advanced Materials Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Variable interest entity, qualitative or quantitative information, ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Related party transaction, amounts of transaction Related Party Transaction, Amounts of Transaction Share-based compensation arrangement by share-based payment award, award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Decrease in accounts receivable Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Total costs, expenses and other Costs And Expenses, Operating And Nonoperating Costs And Expenses, Operating And Nonoperating Customer relationships Customer Relationships [Member] Line of Credit Line of Credit [Member] Consolidated Entities [Domain] Consolidated Entities [Domain] Retained earnings Retained Earnings (Accumulated Deficit) Gain on sale of fixed assets Gain (Loss) on Disposition of Property Plant Equipment 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] Product loans payable Product loans payable Product Loans Payable Product Loans Payable Finance lease liabilities, current Finance Lease, Liability, Current Current fiscal year end date Current Fiscal Year End Date Changes in Fair Value of Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Definite-life intangibles Finite-Lived Intangible Assets, Net [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Aggregate Grant Date Fair 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Activities Antidilutive securities excluded from computation of earnings per share, amount (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment flag Amendment Flag Other Commitments [Table] Other Commitments [Table] Termination Date Trading Arrangement Termination Date Change in Contract assets - (decrease) increase Increase (Decrease) in Contract with Customer, Asset Net cash used for 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] Weighted average number of common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Total cost of products and services sold Cost of Product and Service Sold Schedule of Earnings Per Share, Basic and Diluted Schedule of 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Entities Schedule of Variable Interest Entities [Table Text Block] Unamortized discount Debt Instrument, Unamortized Discount 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] Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Shares issued (in shares) Common Stock, Shares, Issued Goodwill and Other Intangible Assets - Net Goodwill and Intangible Assets Disclosure [Text Block] Environmental liability payments Accrual for Environmental Loss Contingencies, Payments Use of Estimates Use of Estimates, Policy [Policy Text Block] Dividends Payments of Dividends Schedule of Goodwill Schedule of Goodwill [Table Text Block] Interest and other financial charges Interest and other financial charges Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Net transfers to Parent Net Transfers From (To) Parent Net Transfers From (To) Parent Foreign exchange translation adjustment Foreign exchange translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Corporate and All Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Related party transaction, purchases from related party Related Party Transaction, Purchases from Related Party Total liabilities Liabilities Capital expenditures incurred but not yet paid Capital Expenditures Incurred but Not yet Paid Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Current liabilities Other Liabilities, Current Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Common Stock Common Stock [Member] Deferred income taxes Increase (Decrease) in Deferred Income Taxes Net income Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Spinoff Spinoff [Member]