Accounts Receivable, Net, Current Accounts receivable, net of allowance for credit losses of $97 and $90 Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income Loss, Net of Tax Payments for equity investment and business acquisitions, net of cash acquired Payments to Acquire Businesses and Interest in Affiliates Payments related to equity investments and business acquisitions, net of cash acquired Additional paid-in capital Payments to Acquire Productive Assets Purchases of fixed assets Purchases of property and equipment Proceeds from Equity Method Investment, Dividends or Distributions Distributions from equity affiliates Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowances for credit losses (in dollars) CONDENSED CONSOLIDATED BALANCE SHEETS [Abstract] Balance sheet Earnings Per Share, Basic Basic (in dollars per share) Basic - from net income (in dollars per share) Business Acquisition, Transaction Costs Acquisition costs Business Acquisition, Percentage of Voting Interests Acquired Percentage of voting interest acquired Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition [Line Items] Schedule of Business Acquisitions, by Acquisition [Table] Cash, Cash Equivalents and Short-Term Investments Cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Payments to Acquire Businesses Cash Consideration paid Interest Paid Net Cash paid for interest Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities, net of acquisitions: Common Stock, Shares Authorized Common stock, shares authorized (in shares) Common Stock Shares Issued Common stock, shares issued (in shares) Common Stock, Shares, Outstanding Common stock, shares outstanding (in shares) Ending Balance, shares (in shares) Beginning Balance, shares (in shares) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to Henry Schein, Inc. 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Pension adjustment gain (loss) Pension adjustment gain Pension adjustment gain, net of tax Pension adjustment gain Pension adjustment gain Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Foreign currency translation gain Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation gain Foreign currency translation gain Foreign currency translation loss Foreign currency translation loss Other comprehensive income, net of tax Other Comprehensive Income (loss), net of tax Tax effect Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Unrealized investment gain (loss), tax Tax effect Tax effect Unrealized investment gain (loss), tax benefit (tax) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax Tax effect Pension adjustment gain (loss), net of tax impact, (expense) benefit Tax effect Balance Sheet Location [Domain] Nondesignated [Member] Derivative contracts undesignated [Member] Derivative Contract Type [Domain] Designated As Hedging Instrument [Member] Derivative contracts [Member] Derivative contracts designated as hedges [Member] Total Return Swap [Member] Variable Interest Entity Entity Maximum Loss Exposure Amount Liabilities of VIE Trademarks And Trade Names [Member] Trademarks/Tradenames [Member] In Process Research And Development [Member] Debt Instrument, Basis Spread on Variable Rate Debt instrument, basis spread on variable rate Other Noncurrent Liabilities [Member] Net income (excluding amounts attributable to Redeemable noncontrolling interests) Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Net income (excluding amounts attributable to Redeemable noncontrolling interests) Shares Issued Price Per Share Issue new shares of common stock Issue new shares of common stock - price per share Subsegments [Axis] Subsegments [Axis] Subsegments [Domain] Subsegments [Domain] Business Combination Contingent Consideration Liability Balance, beginning of period Balance, end of period Contingent consideration Vesting [Axis] Vesting [Domain] Debt Instrument, Interest Rate, Increase (Decrease) Increase in maximum maintenance leverage ratio Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Expiration period (in years) Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage Vesting percentage Debt Instrument, Term Term of issuances under private placement facilities Debt term (in years) Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability 1 Increase in contingent consideration due to business acquisitions and acquisitions of noncontrolling interests in subsidiaries Award Date [Axis] Award Date [Domain] Current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Other noncurrent assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Business Combination, Consideration Transferred Total consideration Total consideration Other noncurrent liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Identifiable assets acquired and liabilities assumed: Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncurrent Liabilities Long Term Debt Long-term debt Related Party Transaction [Axis] Related Party Transaction [Domain] Variable Rate [Axis] Variable Rate [Domain] Business Combination Consideration Transferred Other 1 Other Subsidiary common equity Business Combination Consideration Transferred Equity Interests Issued And Issuable Fair value of previously held equity method investments Finitelived Intangible Assets Acquired 1 Identifiable intangible assets acquired Corporate, Non-Segment [Member] Corporate TSA revenues [Member] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Domain] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Domain] Extended Maturity [Member] Deferred Income Tax Liabilities, Net Deferred income taxes Total non-current deferred tax liability AOCI Attributable to Parent [Abstract] Attributable to Henry Schein, Inc.: Restructuring Reserve Settled Without Cash 2 Non-cash accelerated depreciation and amortization Non-cash restructuring and related charges Non-cash accelerated depreciation and amortization Capitalized Computer Software Impairments 1 Impairment of capitalized costs Impairment of capitalized software Impairment of capitalized assets Deferred income taxes Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Disaggregation of Revenue [Abstract] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Contract with Customer, Liability, Revenue Recognized Net sales recognized Net Sales from Contracts with Customers [Abstract] Revenue from Contract with Customer [Text Block] Net Sales from Contracts with Customers Contract with Customer, Liability, Current Current contract liabilities Contract with Customer, Liability, Noncurrent Non-current contract liabilities Contract With Customer Liability Total contract liabilities Payment For Contingent Consideration Liability Financing Activities Payments for contingent consideration Cash Consideration paid Operating lease right-of-use assets Revenue from Contract with Customer, Excluding Assessed Tax Net sales Revenues Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Effect of exchange rate changes on cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net change in cash and cash equivalents Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Total finance lease liabilities Finance Lease, Liability Total finance lease liabilities Finance lease obligations Current operating lease liabilities Operating lease liabilities, Current Operating lease liabilities Operating lease liabilities Operating lease liabilities Noncurrent operating lease liabilities Contract With Customer Asset And Liability [Table Text Block] Contract Liabilities Discontinued Operation, Name Asset Pledged as Collateral [Member] Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Unrealized loss from hedging activities Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax Non-cash net unrealized losses related to hedging activities Unrealized gain (loss) from hedging activities Unrealized gain (loss) from foreign currency hedging activities Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Unrealized gain (loss) from hedging activities, net of tax Unrealized gain (loss) from hedging activities Unrealized gain (loss) from hedging activities Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Tax effect Unrealized gain (loss) from foreign currency hedging activities, tax (benefit) Unrealized loss from foreign currency hedging activities, (tax benefit) tax Unrealized gain (loss) from foreign currency hedging activities, tax (expense) benefit Lessee, Operating Lease, Remaining Lease Term Remaining operating lease term Pledged Status [Axis] Pledged Status [Domain] Recourse Status [Axis] Recourse Status [Domain] Recourse [Member] Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Property and equipment, net of accumulated depreciation Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Related Party [Member] Secured Overnight Financing Rate Sofr [Member] Debt Instrument Variable Interest Rate Type Extensible Enumeration Executive Committee [Member] Executive Management Committee (succeeded by the Henry Schein Leadership Team in July 2026) [Member] Business Combination Achieved In Stages Preacquisition Equity Interest In Acquiree Remeasurement Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration Cover [Abstract] Document Type Document Quarterly Report Document Transition Report Entity Interactive Data Current Amendment Flag Document Fiscal Year Focus Document Fiscal Period Focus Document Period End Date Legal Entity [Axis] Entity Entity Registrant Name Entity Central Index Key Entity File Number Entity Tax Identification Number Entity Incorporation, State or Country Code Current Fiscal Year End Date Entity Current Reporting Status Entity Shell Company Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Individual [Axis] All Individuals [Member] Insider Trading Arr [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Terminated Material Terms of Trading Arrangement Trading Arr By Ind [Table] Name Title Adoption Date Trading Arrangement Expiration Date Arrangement Duration Aggregate Available Title Of Individual With Relationship To Entity [Domain] Restatement Adjustment [Member] Affiliated Entity [Member] Director [Member] Chief Executive Officer [Member] Vice President [Member] Scenario, Unspecified [Domain] Forecast [Member] Scenario [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum [Member] Minimum [Member] Counterparty Name [Axis] Repurchase Agreement Counterparty Name [Domain] Title Of Individual [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Stock Repurchase Program Authorized Amount 1 Accelerated share repurchase program authorized amount Consolidated Entities [Axis] Consolidated Entities [Domain] Ownership [Axis] Ownership [Domain] Restatement [Axis] Restatement [Domain] Arithmetic Average [Member] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption, Adjustment [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Redeemable Noncontrolling Interests [Text Block] Change in fair value of Redeemable noncontrolling interests relating to the ability of minority shareholders to require us to acquire their interests in entities in which we own less than 100%. The components of the change in fair value include changes in ownership percentage, net income or loss attributable to noncontrolling interests, dividends paid, effect of foreign currency translation attributable to noncontrolling interests and other changes in fair value of redeemable securities. Redeemable Noncontrolling Interests Animal Health [Member] The global animal health group is a subgroup of the health care distribution group that serves animal health practices and clinics. Animal Health [Member] Henry Schein Animal Health Business [Member] Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Attributable To Redeemable Noncontrolling Interest Net Of Tax Accumulated adjustment attributable to redeemable noncontrolling interests, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses). Foreign currency translation adjustment Comprehensive Income Net Of Applicable Taxes [Abstract] Comprehensive Income, Net of Applicable Taxes Comprehensive income (loss) attributable to Redeemable noncontrolling interests Comprehensive Income Net Of Tax Attributable To Redeemable Noncontrolling Interest The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to redeemable noncontrolling interests, if any. Comprehensive income attributable to Redeemable noncontrolling interests Redeemable Noncontrolling Decrease From Distributions By Redeemable Noncontrolling Interest Decrease in redeemable noncontrolling interest balance from dividends declared or other distributions by redeemable noncontrolling interests. Dividends declared Distributions declared Various Bank Credit Lines [Member] Private Placement Facilities [Member] A contractual arrangement with one or more insurance companies under which borrowings can be made up to a specific amount at any point in time, and under which borrowings are long-term. Private Placement Facilities [Member] Components Of Comprehensive Income [Abstract] Components of Comprehensive Income Schedule Of Private Placement Facilities Debt [Table Text Block] Tabular disclosure of information pertaining to private placement facilities, including but not limited to identification of terms, features and other information. Schedule of Private Placement Facility Borrowings Comprehensive Income Attributable To Noncontrolling Interests Excluding Comprehensive Income Attributable To Redeemable Noncontrolling Interests Comprehensive income attributable to noncontrolling interests that excludes comprehensive income attributable to redeemable noncontrolling interests. Comprehensive income attributable to noncontrolling interests Comprehensive income (loss) attributable to noncontrolling interests U S Trade Accounts Receivable Securitization [Member] U.S. Trade Accounts Receivable Securitization [Member] A debt facility agreement with a bank, as agent, based on the securitization of our U.S. trade accounts receivable, which will provide funding for working capital and general corporate purposes. The financing is structured as an asset-backed securitization program. Debt Pricing Commitment Period Pricing commitment period Period for which the pricing is committed under the asset-backed securitization program. Adjustments To Additional Paid In Capital Share based Compensation Other Long term Incentive Plans Settled In Cash This element represents the adjustments for equity-based compensation awards which can be settled either in cash or shares at the discretion of the award recipient. Settlement of stock-based compensation awards - Value Liability for cash settlement stock-based compensation awards Settlement of stock-based compensation awards - Value Average Asset Backed Commercial Paper Rate [Member] Average rate for asset-backed commercial paper. Average asset backed commercial paper rate [Member] Debt Instrument Variable Rate Basis At Period End The actual interest rate at period end for the reference rate used to compute the variable rate on the debt instrument. Debt instrument, variable rate basis at period end Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax Excluding Portion Attributable To Redeemable Noncontrolling Interest Foreign currency translation loss (excluding loss attributable to Redeemable noncontrolling interests and discontinued operations) Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity. Foreign currency translation gain (excluding gain amounts attributable to Redeemable noncontrolling interests) Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Attributable To Nonredeemable Noncontrolling Interests Net Of Tax Foreign currency translation adjustment Accumulated adjustment attributable to nonredeemable noncontrolling interests, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses). Total Accumulated other comprehensive loss Accumulated change in equity from transactions and other events and circumstances from non-owner sources attributable to redeemable noncontrolling interests, nonredeemable noncontrolling interests and the parent, net Accumulated Other Comprehensive Income Loss Net Of Tax Including Portion Attributable To Redeemable And Nonredeemable Noncontrolling Interests 2020 Stock Incentive Plan [Member] Stock Incentive Plan 2020 [Member] 2015 Non-Employee Director Stock Incentive Plan [Member] Non Employee Director Stock Incentive Plan [Member] Total Comprehensive Income, Net of Applicable Taxes Disclosure of the total comprehensive income for the period detailed by party to which the income is attributable, net of applicable taxes. Total Comprehensive Income Net Of Tax [Table Text Block] Time-Based Restricted Stock Units [Member] Restricted stock awards and restricted units that vest solely based on the recipient's continued service over time. Time-Based Restricted Stock/Restricted Units [Member] RSU (time) [Member] Restricted stock awards and restricted stock units that vest based on achieving specified performance measurements and the recipient's continued service over time. Performance-based restricted stock/units [Member] Performance-Based Restricted Stock Units [Member] PSU (Performance) [Member] Debt Instrument Average Term Average term of issuances under private placement facilities Transfer of charges in excess of capital The reclassification of additional paid-in capital to retained earnings for excess of capital. Reclassification of Additional Paid-in Capital to Retained Earnings The expected percentage of the workforce to be eliminated as a result of restructuring activities. Restructuring And Related Cost Expected Percentage Of Workforce Eliminated Changes in unrecognized tax benefits Amount of increase (decrease) in unrecognized tax benefits. Changes in unrecognized tax benefits Adjustment For Changes In Unrecognized Tax Benefits Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount. This revolving credit facility matures in April 2022. Revolving Credit Facility Maturing in April 2022 [Member] Revolving Credit Facility April 2022 [Member] Formerly, HS Spinco Inc. Following the distribution of the common stock of Spinco, on a pro rata basis, to the Henry Schein stockholders of record, Spinco changed its name to Covetrus, Inc. Following the Separation and the Merger, Covetrus was an independent, publicly traded company on the Nasdaq Global Select Market. Covetrus Inc [Member] An initiative to rationalize our operations and provide expense efficiencies. These actions will allow us to execute on our plan to reduce our cost structure and fund new initiatives that will drive future growth under our 2018 to 2020 strategic plan. Strategic Plan, 2018 to 2020 [Member] The adjustment to number of shares for stock granted in spin-off transaction. Adjustment for Animal Health Spin-off, Shares Adjustment to stock for Spin-off transaction, Shares Adjustment to additional paid in capital, Sale of stock related to Spin-off transaction Share Sale related to Animal Health business Amount of increase in additional paid in capital (APIC) resulting from sale of stock related to spin-off transaction. 364-day Credit Agreement [Member] Three Hundred Sixty Four Day Credit Agreement [Member] Amount of long-term debt and finance lease liability, including portion classified as current. Total Total long-term debt Total Long-term Debt and Capital Lease Obligations, Including Current Maturities Period covered by agreement The period covered by the agreement. Period Covered By Agreement Proceeds from Henry Schein Animal Health Business The net cash outflow or inflow with an entity that is affiliated with the entity by means of direct or indirect ownership. Payments of Distributions to Affiliates Proceeds from Henry Schein Animal Health Business Ratio of indebtedness to total capital The financial covenant based on total leverage ratio. Ratio of Indebtedness to Total Capital Number of lenders. Number of lenders Indebtedness ratio [Abstract] Other Short-Term Credit Lines [Member] Other Short-Term Bank Credit Lines [Member] Internet Brands Inc [Member] Outstanding at end of period, Aggregate Intrinsic Value (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Options Intrinsic Value Aggregate intrinsic value, Options exercisable (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Intrinsic Value Acquisition in Health care or technology and value add services. Acquisition in Health care or technology and value add services [Member] Private Placement Facilities 2026 [Member] Revolving Credit Facility April 2026 [Member] Revolving Credit Facility Maturing in April 2026 [Member] Equity Method Investment Realized Gain Loss On Disposal, Gross Gain on sale of equity investment Gain on sale of equity investment Customer Relationships and Lists [Member] Deferred consideration Business Combination, Consideration Transferred, Deferred Private Placement Facilities 2023 [Member] Number of companies included in private placement facilities Number of Companies Included in Private Placement Facilities Number of banks as agents for debt instrument Number of Banks as Agents for Debt Instrument Employees and Minority Shareholders [Member] Operating Lease Liabilities, Current [Member] Operating Lease Liabilities, Non-Current [Member] Midway Dental Supply [Member] Severance and Employee-Related Costs [Member] Accelerated Depreciation and Amortization [Member] Exit and Other Related Costs [Member] Integration Employee-Related and Other Costs [Member] Disposal of Unprofitable U.S. Business [Member] Loss on Disposal of Business [Member] Loss on Disposal of a Business [Member] Related Party Concentration Risk[Member] Temporary Equity, Decrease in Redeemable Noncontrolling Interests Decrease in redeemable noncontrolling interests due to acquisitions of noncontrolling interests in subsidiaries Biotech Dental [Member] Product Development [Member] Private Placement Facilities 1 [Member] Private Placement Facilities 2 [Member] Private Placement Facilities 3 [Member] Private Placement Facilities Maturing in June 2027 [Member] Private Placement Facilities 4 [Member] Private Placement Facilities Maturing in September 2029 [Member] Private Placement facilities 5 [Member] Private Placement Facilities 6 [Member] Private Placement Facilities 7 [Member] Private Placement Facilities Maturing in June 2031 [Member] Private Placement Facilities 8 [Member] Borrowings made under the entity's private placement facilities and maturing in June 2033. Private Placement Facilities 9 [Member] Private Placement Facilities 10 [Member] Private Placement Facilities 11 [Member] Private Placement Facilities 12 [Member] Term Credit Agreement [Member] Noncontrolling Interest, Increase (Decrease) from Business Combination Noncontrolling interests and adjustments related to business acquisitions and contingent consideration S.I.N. Implant System [Member] S.I.N [Member] Capitalized Software Costs, Investment Activities Capitalized software costs Shield Healthcare, Inc. [Member] September 2024 through June 2026 [Member] September 2023 through June 2024 [Member] Commitment Fee Basis Points Depending upon Program Utilization Commitment fee basis points depending upon program utilization TriMed, Inc. [Member] Other 2023 Acquisitions [Member] 2022 Plan [Member] 2024 Plan [Member] Adjustments To Additional Paid In Capital Share based Compensation Other Long term Incentive Plans Settled In Cash, Decrease, Shares This element represents the adjustments for equity-based compensation awards which can be settled either in cash or shares at the discretion of the award recipient shown as decrease in shares. Settlement of stock-based compensation awards - Shares Liability for cash settlement stock-based compensation awards, shares Settlement of stock-based compensation awards - Shares Adjustments To Additional Paid In Capital Share based Compensation Other Long term Incentive Plans Settled In Cash, Increase, Shares This element represents the adjustments for equity-based compensation awards which can be settled either in cash or shares at the discretion of the award recipient shown as increase in shares. Settlement of stock-based compensation awards - Shares Global Distribution and Value-Added Services [Member] Global Specialty Products [Member] Global Technology [Member] Global Dental [Member] Global Dental Merchandise [Member] Global Dental Equipment [Member] Global Value-Added Services [Member] Global Medical [Member] Cyber Incident, Third-Party Advisory Expenses, Net of Insurance Cyber incident, third-party advisory expenses, net of insurance. Cyber incident-insurance proceeds, net of third-party advisory expenses Cyber incident-insurance proceeds, net of third-party advisory expenses Business Acquisition, Change in Contingent Consideration Amount of increase (decrease) in the value of contingent consideration. Change in contingent consideration Change in contingent consideration Business Combination, Contingent Consideration Arrangements, Decrease in Contingent Consideration, Due to Payments Decrease in contingent consideration due to payments Business Combination, Contingent Consideration Arrangements, Change in Fair Value of Contingent Consideration Change in fair value of contingent consideration Impairment And Accelerated Depreciation And Amortization [Member] Impairment and Accelerated Depreciation and Amortization of Right-of-Use Lease Assets and Other Long-Lived Assets [Member] Restructuring Reserve, Settled without Cash, Asset Impairments and Accelerated Depreciation and Amortization Non-cash impairment, accelerated depreciation and amortization Restructuring Reserve, Settled without Cash, Loss on Disposal Non-cash impairment related to disposal of a business Payments For Restructuring And Restructuring Reserve Accrual Adjustment The sum of cash payments made as the result of exit or disposal activities and the amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability. Cash payments and other adjustments Agreement, Extend Time-Based Trigger and Pause Exercise of Put Option, Period Extend time-based trigger and pause exercise of put option, period (in years) Number of Independent Directors that Joined Board of Directors upon Investment Number of independent directors that joined Board of Directors upon investment Business [Member] June 2026 through June 2027 [Member] September 2027 through June 2030 [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Performance Adjustment, Weighted Average Grant Date Fair Value Performance adjustment (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Adjustment Performance adjustment (in shares) KKR Investment and Accelerated Share Repurchase Program [Abstract] Investment by Investment Firm And Accelerated Share Repurchase Program [Text Block] KKR Investment and Accelerated Share Repurchase Program Investment in Company by outside investment firm and accelerated share repurchase program. May 19, 2025 [Member] Acquisitions 2025 [Member] 2025 Acquisitions [Member] Noncontrolling Interest in Subsidiary [Member] Noncontrolling Interest in Subsidiaries [Member] Derivative, Weighted Average Interest Rate Weighted average interest rate related to the group of interest rate derivatives. Derivative weighted average interest rate Original [Member] Restated [Member] Henry Schein One LLC [Member] Equity Owned by Related Party, Percentage Equity ownership by KKR (as a percent) Equity Owned by Related Party, Percentage Additional Shares Purchase Via Open Market, Percentage Additional Shares Purchase Via Open Market, Percentage Equity to purchase by KKR via open market (as a percent) Internet Brands [Member] Internet Brands Inc [Member] Henry Schein One [Member] Henry Schein One LLC [Member] Basis of Presentation [Line Items] Basis of Presentation [Table] Acquisitions of Controlling Interests of Affiliates [Member] Business Combination, Contingent Consideration Arrangements, Change in Fair Value of Contingent Consideration in Connection with Business Acquisition Change in fair value of contingent consideration in connection with business acquisitions Business Combination, Contingent Consideration Arrangements, Change in Fair Value of Contingent Consideration in Connection with Changes in Ownership in Consolidated Subsidiaries Change in fair value of contingent consideration in connection with changes in ownership in consolidated subsidiaries Eliminations and Reconciling Items [Member] Adjustments [Member] Stock issued to 401(k) plan Stock-based compensation expense - Value Stock Issued During Period, Value, Share-based Compensation, Including Noncontrolling Interests Stock-based compensation expense (credit) - Value Walter Siegel [Member] Costs Associated with Shareholder Advisory Matters And Select Implementation Related Value Creation Consulting Costs Costs associated with shareholder advisory matters and select implementation related value creation consulting costs Costs associated with shareholder advisory matters and select implementation related value creation consulting costs Acquisitions 2026 [Member] 2026 Acquisitions [Member] Acquisitions 2023 [Member] 2023 Acquisitions [Member] Private Placement Facilities 13 [Member] Private Placement Facilities 14 [Member] Private Placement Facilities 15 [Member] Plan Year 2026 [Member] Plan Year 2026 (Sign-On) [Member] Plan Year 2025 [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Award Allocation Percent Share-Based Compensation Arrangement by Share-Based Payment Award, Award Allocation Percent Award Allocation Third-Year [Member] 3rd Year [Member] Fourth Year [Member] 4th Year [Member] Schedule Of Allocation And Vesting Structure Of Share-Based Compensation [Table Text Block] Schedule Of Allocation And Vesting Structure Of Share-Based Compensation [Table Text Block] Schedule of Allocation and Vesting Structure Employee Stock Incentive Plan [Member] Non-Qualified Stock Options [Member] Per Year [Member] Revolving Credit Agreement Amendment And Restatement Date Amendment and restatement date Number Of Shares To Be Received Upon Vesting Per Stock Unit Number of shares to be received upon vesting, per unit