Dividend to stockholder of UL Solutions (in dollars per share)
Common Stock, Dividends, Per Share, Cash Paid
Significant Accounting Policies
Significant Accounting Policies [Text Block]
Intangible assets, accumulated amortization
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Cash-settled awards
Cash-Settled Stock Appreciation Rights (“CSARs”) [Member]
Cash-Settled Stock Appreciation Rights (“CSARs”)
Debt and Equity Securities, FV-NI [Line Items]
Debt and Equity Securities, FV-NI [Line Items]
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Award Timing Predetermined
Award Timing Predetermined [Flag]
Related Party Transaction [Axis]
Related Party Transaction [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Entity File Number
Entity File Number
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Tabular List, Table
Tabular List [Table Text Block]
Tax effect
Other Comprehensive Income (Loss), Tax
Intangible Asset, Acquired, Finite-Lived [Line Items]
Intangible Asset, Acquired, Finite-Lived [Line Items]
Recently Issued Accounting Standards - Not Adopted
New Accounting Pronouncements, Policy [Policy Text Block]
Accounts payable
Increase (Decrease) in Accounts Payable
Disposal Groups, Including Discontinued Operations
Disposal Groups, Including Discontinued Operations [Table Text Block]
Contract assets, net of allowance of $2 and $2
Contract with Customer, Asset, after Allowance for Credit Loss, Current
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Interest income
Interest Income (Expense), Nonoperating
Goodwill [Line Items]
Goodwill [Line Items]
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Measurement Basis [Axis]
Measurement Basis [Axis]
Basic (in dollars per share)
Basic earnings per share attributable to stockholder of UL Solutions (in dollars 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]
Revenue
Revenue from Contract with Customer [Text Block]
Total other comprehensive (loss) income, net of tax
Other comprehensive loss, net of tax
Other Comprehensive Income (Loss), Net of Tax
Schedule Of Segment Expenses And Operating Income
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Non-certification Testing and Other Services
Non-certification Testing and Other Services [Member]
Non-certification Testing and Other Services
Risk & Compliance Software
Risk & Compliance Software [Member]
Risk & Compliance Software
2025 Credit Facility
2025 Credit Facility [Member]
2025 Credit Facility
Revenue to be recognized in future
Revenue, Remaining Performance Obligation, Amount
Total assets
Disposal Group, Including Discontinued Operation, Assets
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Net assets of disposal group
Disposal Group, Including Discontinued Operations, Assets, Net
Disposal Group, Including Discontinued Operations, Assets, Net
Recognized revenue percentage
Revenue, Remaining Performance Obligation, Percentage
Stock-based compensation
Share-Based Payment Arrangement, Noncash Expense
Stock options
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]
Dividends to stockholders of UL Solutions
Dividends to stockholders of UL Solutions
Dividends, Common Stock, Cash
Total stockholders’ equity before non-controlling interests
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]
Stock-based compensation expense
Share-Based Payment Arrangement, Expense
Goodwill and Intangible Assets Disclosure [Abstract]
Current assets:
Assets, Current [Abstract]
Total Liabilities and Stockholders’ Equity
Liabilities and Equity
Pension and Postretirement Plans
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Liabilities and Stockholders’ Equity
Liabilities and Equity [Abstract]
Cover [Abstract]
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
Stock-based compensation expense, net
Share-Based Payment Arrangement, Expense, after Tax
Less: net income attributable to non-controlling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Total
Segment, Expenditure, Addition to Long-Lived Assets
Accounting Policies [Abstract]
Intangible assets, net of accumulated amortization of $257 and $256
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]
Non-operating pension and postretirement benefit expense
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component
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]
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Entity Shell Company
Entity Shell Company
Other liabilities
Other Liabilities, Noncurrent
Schedule of Long-Term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Statement of Stockholders' Equity [Abstract]
Operating Segments
Operating Segments [Member]
Statement of Cash Flows [Abstract]
Company Selected Measure Amount
Company Selected Measure Amount
Less: comprehensive income attributable to non-controlling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Comprehensive income attributable to stockholders of UL Solutions
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Disposal Group Name [Domain]
Disposal Group Name [Domain]
Name
Measure Name
Restructuring Reserve
Liability balance as of period start
Liability balance as of period end
Restructuring Reserve
Summary of Stock-based Compensation Expense
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Operating lease liabilities - current
Operating Lease, Liability, Current
Document Fiscal Period Focus
Document Fiscal Period Focus
Award Timing Method
Award Timing Method [Text Block]
Award Type [Axis]
Award Type [Axis]
Foreign Currency Translation
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Legal Entity [Axis]
Legal Entity [Axis]
Total Assets
Assets
Assets
Investment, Name [Domain]
Investment, Name [Domain]
Trading Symbol
Trading Symbol
Entity Address, City or Town
Entity Address, City or Town
Operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Intellectual property and patents
Intellectual Property and Patents [Member]
Intellectual Property and Patents
Intangible Assets
Intangible Assets Disclosure [Text Block]
Effect of exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Restricted stock units
Restricted Stock Units (RSUs) [Member]
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]
Purchase price
Business Combination, Consideration Transferred
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Pension and postretirement benefit plans
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits
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]
Less: unamortized debt issuance costs
Debt Issuance Costs, 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]
Related Party
Related Party [Member]
Common stock, shares outstanding (in shares)
Common Stock, Shares, Outstanding
PEO
PEO [Member]
Employee Severance
Employee Severance [Member]
Sales of investments
Proceeds from Sale, Maturity and Collection of Investments
Changes in assets and liabilities, excluding the effects of acquisitions and divestitures:
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]
Retained Earnings
Retained Earnings [Member]
Number Of Reportable Segments Not Disclosed Flag
Number Of Reportable Segments Not Disclosed Flag
Number Of Reportable Segments Not Disclosed Flag
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Restatement Determination Date
Restatement Determination Date
Share-Based Payment Arrangement [Abstract]
Beginning of period
End of period
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Income Statement [Abstract]
Income tax expense
Income Tax Expense (Benefit)
Facility Closing
Facility Closing [Member]
Common Class B
Common Class B [Member]
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Product and Service [Domain]
Product and Service [Domain]
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]
Discretionary contributions
Defined Contribution Plan, Employer Discretionary Contribution Amount
Restructuring
Restructuring and Related Activities Disclosure [Text Block]
Other Income and Expenses [Abstract]
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Property, plant, and equipment, accumulated depreciation
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization
City Area Code
City Area Code
Divestiture
Mergers, Acquisitions and Dispositions Disclosures [Text Block]
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]
Debt Securities, Trading, and Equity Securities, FV-NI [Table]
Debt Securities, Trading, and Equity Securities, FV-NI [Table]
Investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Net cash flows provided by operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Related Party Transactions [Abstract]
Subsequent Event
Subsequent Event [Member]
Amortization of net actuarial loss
Defined Benefit Plan, Amortization of Gain (Loss)
Selling, general and administrative expenses
Selling, General and Administrative Expenses [Member]
Cost of revenue
Cost of Sales [Member]
Carrying amount of investments
Equity Securities, FV-NI
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]
Equity Components [Axis]
Equity Components [Axis]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Supplemental disclosures of cash flow information
Supplemental Cash Flow Information [Abstract]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Revenue from External Customer [Line Items]
Revenue from External Customer [Line Items]
Accumulated impairment loss
Goodwill, Impaired, Accumulated Impairment Loss
Other Performance Measure, Amount
Other Performance Measure, Amount
Entity Address, State or Province
Entity Address, State or Province
Assets, noncurrent
Disposal Group, Including Discontinued Operation, Assets, Noncurrent
Related and Nonrelated Parties [Domain]
Related and Nonrelated Parties [Domain]
Total current liabilities
Liabilities, Current
Other Current Liabilities
Other Current Liabilities [Member]
Restructuring and Related Cost, Cost Incurred to Date
Restructuring and Related Cost, Cost Incurred to Date
Individual:
Individual [Axis]
Contingent consideration per day
Business Combination , Consideration Transferred, Contingent Consideration Per Day
Business Combination , Consideration Transferred, Contingent Consideration Per Day
Dividends to stockholders of UL Solutions
Payments of Ordinary Dividends, Common Stock
Other current assets
Other Assets, Current
Entities [Table]
Entities [Table]
Entity [Domain]
Entity [Domain]
Net cash flows used in investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Recognized revenue satisfaction period
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]
Cash paid during the period for interest
Interest Paid, Excluding Capitalized Interest, Operating Activity
Document Fiscal Year Focus
Document Fiscal Year Focus
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Repayments 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
Company Limited
UL-CCIC Company Limited [Member]
UL-CCIC Company Limited
Equity Method Investment, Nonconsolidated Investee [Axis]
Equity Method Investment, Nonconsolidated Investee [Axis]
Break fee
Business Combination, Break Fee Payment Due Upon Termination Or Failure To Satisfy Agreement Conditions
Business Combination, Break Fee Payment Due Upon Termination Or Failure To Satisfy Agreement Conditions
Carrying Amount
Reported Value Measurement [Member]
Equity [Abstract]
Segment Information
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]
Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]
Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]
Trademarks
Trademarks [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Schedule of Net Periodic Benefit Cost for Defined Benefit Plan
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 Loss
Comprehensive Income (Loss) Note [Text Block]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Intangible asset amortization expense
Amortization of Intangible Assets
Selling, general and administrative expenses
Selling, General and Administrative Expense
Deferred income taxes
Deferred Income Tax Assets, Net
Summary of Changes in Accumulated Other Comprehensive Loss
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Depreciation and amortization
Depreciation, Depletion and Amortization
Other assets
Other Assets, Noncurrent
Entity Central Index Key
Entity Central Index Key
Settlement losses
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement
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]
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]
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member]
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]
Payment for (Proceeds from) Other Investing Activity
Payment for (Proceeds from) Other Investing Activity
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Stock-based Compensation
Share-Based Payment Arrangement [Text Block]
Cash proceeds
Disposal Group, Including Discontinued Operation, Consideration
Restructuring and related costs, expected cost
Restructuring and Related Cost, Expected Cost
Assets
Assets [Abstract]
Long-Term Debt, Excluding Current Maturities
Long-Term Debt, Excluding Current Maturities
UL Standards & Engagement Transactions
UL Standards & Engagement Transactions [Member]
UL Standards & Engagement Transactions
Credit Facility [Axis]
Credit Facility [Axis]
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Statement of Financial Position Location, Balance [Axis]
Statement of Financial Position Location, Balance [Axis]
Debt Instrument [Axis]
Debt Instrument [Axis]
Pension
Retirement Benefits [Text Block]
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Amounts reclassified out
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Gross Carrying Amount
Finite-Lived Intangible Assets, Gross
Credit Facility [Domain]
Credit Facility [Domain]
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
Industrial
Industrial [Member]
Industrial
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
Investment, Name [Axis]
Investment, Name [Axis]
Fixed interest rate
Debt Instrument, Interest Rate, Stated Percentage
Accounts receivable, allowance for credit loss
Accounts Receivable, Allowance for Credit Loss, Current
Summary of Revenue by Major Customer Category
Revenue from External Customers by Products and Services [Table Text Block]
Operating lease liabilities
Operating Lease, Liability, Noncurrent
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
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]
Net periodic benefit cost
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Schedule of Other (Expense) Income, net
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Services and materials
Services and Materials
Services and Materials
Summary of outstanding debt
Schedule of Long-Term Debt Instruments [Table Text Block]
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Ongoing Certification Services
Ongoing Certification Services [Member]
Ongoing Certification Services
Document Quarterly Report
Document Quarterly Report
Total
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]
Related and Nonrelated Parties [Axis]
Related and Nonrelated Parties [Axis]
Interest cost
Defined Benefit Plan, Interest Cost
Title
Trading Arrangement, Individual Title
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Contract and other current liabilities
Disposal Group, Including Discontinued Operation, Other Liabilities, Current
Other Noncurrent Liabilities
Other Noncurrent Liabilities [Member]
Summary of Intangible Assets
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Restatement Determination Date:
Restatement Determination Date [Axis]
Non-PEO NEO
Non-PEO NEO [Member]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Restructuring and Related Costs
Restructuring and Related Costs [Table Text Block]
Other financing activities, net
Proceeds from (Payment for) Other Financing Activity
Consumer
Consumer [Member]
Consumer
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Name
Trading Arrangement, Individual Name
Award Type [Domain]
Award Type [Domain]
Goodwill
Goodwill Disclosure [Text Block]
Employee compensation
Employee Compensation
Employee Compensation
Non-controlling interests
Equity, Attributable to Noncontrolling Interest
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Other, net
Other Noncash Income (Expense)
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Compensation Amount
Outstanding Recovery Compensation Amount
Face amount
Debt Instrument, Face Amount
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Certification Testing
Certification Testing [Member]
Certification Testing
Statement of Comprehensive Income [Abstract]
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Fair Value
Estimate of Fair Value Measurement [Member]
Revenue recognized
Contract with Customer, Liability, Revenue Recognized
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Software
Software [Member]
Software
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]
Cash payments
Payments for Restructuring
Restructuring Type [Axis]
Restructuring Type [Axis]
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Employee stock purchase plan
Employee Stock [Member]
Stock-based compensation
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Contract and other current assets
Disposal Group, Including Discontinued Operation, Other Assets, Current
Segments [Domain]
Segments [Domain]
Statement of Income Location, Balance [Axis]
Statement of Income Location, Balance [Axis]
Performance share units
Performance Shares [Member]
Investments in Equity Securities
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Statement of Financial Position Location, Balance [Domain]
Statement of Financial Position Location, Balance [Domain]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Company Selected Measure Name
Company Selected Measure Name
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Senior notes
Senior Notes [Member]
Long-Term Debt
Debt Disclosure [Text Block]
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Accounts payable
Accounts Payable, Current
Alberto Uggetti [Member]
Alberto Uggetti
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Total other comprehensive (loss) income, before tax
Other Comprehensive Income (Loss), before Tax
Foreign exchange losses
Gain (Loss), Foreign Currency Transaction, Non-Operating, before Tax
Gain (Loss), Foreign Currency Transaction, Non-Operating, before Tax
All Executive Categories
All Executive Categories [Member]
Capitalized software, accumulated amortization
Capitalized Computer Software, Accumulated Amortization
Common stock
Common Stock, Value, Issued
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Diluted (in shares)
Diluted weighted average common shares outstanding (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Commitments and contingencies (Note 16)
Commitments and Contingencies
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
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]
Non-controlling Interests
Noncontrolling Interest [Member]
Document Transition Report
Document Transition Report
Ownership percentage
Equity Method Investment, Ownership Percentage
Underlying Securities
Award Underlying Securities Amount
Amounts before reclassifications
Other Comprehensive Income (Loss), before Reclassifications, before Tax
Gitte Schjotz [Member]
Gitte Schjotz
Equity Component [Domain]
Equity Component [Domain]
Document Period End Date
Document Period End Date
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Debt term
Long-Term Debt, Term
Income Taxes
Income Tax Disclosure [Text Block]
Common Class A
Common Class A [Member]
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Revenue from Contract with Customer [Abstract]
Scenario [Axis]
Scenario [Axis]
Other Expense, net
Other Nonoperating Income and Expense [Text Block]
Total Stockholders’ Equity
Balances, beginning of period
Balances, end of period
Equity, Including Portion Attributable to Noncontrolling Interest
Goodwill
Reclassification to assets held for sale
Disposal Group, Including Discontinued Operation, Goodwill
Document Type
Document Type
Earnings Per Share
Earnings Per Share [Text Block]
Name
Outstanding Recovery, Individual Name
Capitalized software, net of accumulated amortization
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent
Additional paid-in capital
Additional Paid in Capital
Pension and postretirement benefit plans, net of tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Product and Service [Axis]
Product and Service [Axis]
Revenue
Revenue
Revenue from Contract with Customer, Excluding Assessed Tax
All Individuals
All Individuals [Member]
Long-Term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Fair Value Disclosures [Abstract]
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]
Disposal Group Classification [Axis]
Disposal Group Classification [Axis]
Interest rate
Debt, Weighted Average Interest Rate
Cash and cash equivalents
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Effect of changes in foreign exchange rates
Goodwill, Foreign Currency Translation, Gain (Loss)
Disposal Group Name [Axis]
Disposal Group Name [Axis]
Employee taxes paid on settlement of stock-based compensation
Payment, Tax Withholding, Share-Based Payment Arrangement
Contract and other assets
Increase (Decrease) in Contract with Customer Asset and Other Assets
Increase (Decrease) in Contract with Customer Asset and Other Assets
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]
Current liabilities:
Liabilities, Current [Abstract]
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Losses on foreign exchange transactions
Gain (Loss), Foreign Currency Transaction, before Tax
Accrued expenses
Increase (Decrease) in Accrued Liabilities
Related Party Transaction [Table]
Related Party Transaction [Table]
Diluted (in dollars per share)
Diluted earnings per share attributable to stockholder of UL Solutions (in dollars per share)
Earnings Per Share, Diluted
Forecast
Forecast [Member]
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Accounts receivable, net of allowance of $12 and $12
Accounts Receivable, after Allowance for Credit Loss, Current
Title of 12(b) Security
Title of 12(b) Security
Noncash investing and financing activities
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Disposal Groups, Including Discontinued Operations [Table]
Disposal Groups, Including Discontinued Operations [Table]
Senior Notes Due 2028
Senior Notes Due 2028 [Member]
Senior Notes Due 2028
Contract assets, allowance for credit loss
Contract with Customer, Asset, Allowance for Credit Loss, Current
Earnings per common share:
Earnings Per Share [Abstract]
Consolidation Items [Domain]
Consolidation Items [Domain]
Other expense, net
Total
Nonoperating Income (Expense)
Investments, Debt and Equity Securities [Abstract]
Cash paid during the period for income taxes
Income Taxes Paid, Net
Award Timing Disclosures [Line Items]
Assets, current
Disposal Group, Including Discontinued Operation, Assets, Current
Total debt
Long-Term Debt, Gross
Accrued compensation and benefits
Employee-related Liabilities, Current
Foreign exchange rate adjustment
Restructuring Reserve, Foreign Currency Translation Gain (Loss)
Property, plant and equipment, net of accumulated depreciation of $890 and $879
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Dividend to non-controlling interest
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Net income attributable to stockholders of UL Solutions
Net income attributable to stockholders of UL Solutions
Net Income (Loss) Attributable to Parent
Subsequent Event [Table]
Subsequent Event [Table]
Expiration Date
Trading Arrangement Expiration Date
Equity Method Investment, Nonconsolidated Investee [Domain]
Equity Method Investment, Nonconsolidated Investee [Domain]
Equity ownership percentage
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage
Incurred expenses
Related Party Transaction, Amounts of Transaction
Stockholders’ equity:
Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Restructuring
Restructuring Charges
Adoption Date
Trading Arrangement Adoption Date
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Restructuring Cost [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]
Segment Reporting, Revenue from External Customer, Product and Service [Table]
Segment Reporting, Revenue from External Customer, Product and Service [Table]
Customer relationships
Customer Relationships [Member]
Operating income
Operating Income (Loss)
Revolving credit facility
Line of Credit [Member]
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Retained earnings
Retained Earnings (Accumulated Deficit)
Employee Health and Safety Business
Employee Health and Safety Business [Member]
Employee Health and Safety Business
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]
Professional Services
Professional Services [Member]
Professional Services
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]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Underwriters Laboratories Holdings B.V.
Underwriters Laboratories Holdings B.V. [Member]
Underwriters Laboratories Holdings B.V.
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]
Statement [Table]
Statement [Table]
Electrical And Electronics Testing LUX Holding SARL
Electrical And Electronics Testing LUX Holding SARL [Member]
Electrical And Electronics Testing LUX Holding SARL
Deferred income taxes
Deferred Income Tax Expense (Benefit)
Adjustments to reconcile net income to net cash flows 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]
Contract and other liabilities
Increase (Decrease) in Contract with Customer Liability and Other Liabilities
Increase (Decrease) in Contract with Customer Liability and Other Liabilities
Weighted average common shares outstanding:
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]
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
Income tax benefit
Share-Based Payment Arrangement, Expense, Tax Benefit
Termination Date
Trading Arrangement Termination Date
Net cash flows used in financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Measure:
Measure [Axis]
Basic (in shares)
Basic weighted average common shares outstanding (in shares)
Weighted Average Number of Shares Outstanding, Basic
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Disposal Group Classification [Domain]
Disposal Group Classification [Domain]
Schedule of Earnings Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Related Party Transaction [Domain]
Related Party Transaction [Domain]
Subsequent Events [Abstract]
Segment Reporting [Abstract]
Cost of revenue
Cost of Revenue
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
Cash consideration expected to be received
Proceeds from Sale of Equity Method Investments
Scenario [Domain]
Scenario [Domain]
Restructuring and Related Activities [Abstract]
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Accounts receivable, net of allowance
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net
Schedule of Changes in Carrying Amount of Goodwill
Schedule of Goodwill [Table Text Block]
Interest expense
Interest Expense, Nonoperating
Trading Arrangement:
Trading Arrangement [Axis]
Other
Other [Member]
Other
Total Shareholder Return Amount
Total Shareholder Return Amount
Summary of Carrying Amount and Fair Value of Company's Debt
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Subsequent Events
Subsequent Events [Text Block]
Foreign currency translation (loss) gain
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Insider Trading Arrangements [Line Items]
Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Security Exchange Name
Security Exchange Name
Total Liabilities
Liabilities
Liabilities
Dividends to non-controlling interest
Payments of Ordinary Dividends, Noncontrolling Interest
Karen K Pepping [Member]
Karen K Pepping
Capital expenditures funded by liabilities
Capital Expenditures Incurred but Not yet Paid
Capitalized software, net of accumulated amortization of $451 and $475
Capitalized Computer Software, Net
Maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Other current liabilities
Other Liabilities, Current
Pension and postretirement benefit plans
Liability, Defined Benefit Plan, Noncurrent
DQS Holding GmbH
DQS Holding GmbH [Member]
DQS Holding GmbH
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]
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Cash and cash equivalents
Cash and Cash Equivalent
Employee Severance And Professional Services
Employee Severance And Professional Services [Member]
Employee Severance And Professional Services
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Common Stock
Common Stock [Member]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Non-NEOs
Non-NEOs [Member]
Net decrease in cash and cash equivalents
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Effect of dilutive securities (in shares)
Weighted Average Number of Shares Outstanding, Diluted, Adjustment