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recognized in Other comprehensive (loss) income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Trade receivables, less allowances for credit losses ($18 and $26 as of June 28, 2026 and December 28, 2025, respectively) Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Product and Service [Axis] Product and Service [Axis] 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Supplier finance program, obligation, current Supplier Finance Program, Obligation, Current Employee-related costs Employee Severance [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Description of the Company and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Cover [Abstract] Cover [Abstract] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Essential Health Essential Health [Member] Essential Health Concentration risk, percentage Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Currency translation Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Pending Transaction costs Pending Transaction And Other Related Costs Pending Transaction And Other Related Costs Total Liabilities and Stockholders’ Equity Liabilities and Equity Interest income Interest Income, Other Employee Stock Option Share-Based Payment Arrangement, Option [Member] Loans and notes payable Total loans and notes payable Debt, Current Accrued expenses Accrued Expenses, Current Accrued Expenses, Current Total long-term debt Long-Term Debt and Lease Obligation, Excluding Current Maturities Long-Term Debt and Lease Obligation, Excluding Current Maturities Segments [Axis] Segments [Axis] Segments [Axis] Other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Kenvue Inc. Kenvue Inc. [Member] Kenvue Inc. Related Party [Domain] Related and Nonrelated Parties [Domain] Restructuring expenses Restructuring Charges Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Definite-lived intangible assets: Intangible Asset, Finite-Lived, after Accumulated Amortization [Abstract] Other Other Nonoperating Income (Expense) Other Other Debt Obligations [Member] Parent Parent [Member] Repayment of Senior Notes Repayments of Senior Debt Other operating expense, net Total other operating expense, net Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name 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] Baby Care Baby Care [Member] Baby Care [Member] Preferred stock authorized (in shares) Preferred Stock, Shares Authorized Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Johnson & Johnson Johnson & Johnson [Member] Johnson & Johnson Preferred stock, $0.01 par value, 750,000 shares authorized; no shares issued and outstanding as of June 28, 2026 and December 28, 2025 Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Common stock, number of KC shares for each share of Kenvue stock converted (in shares) Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Foreign Exchange Forward Foreign Exchange Forward [Member] Hedging Designation [Axis] Hedging Designation [Axis] 5.20% Senior Notes due 2063 5.20% Notes Due 2063 [Member] 5.20% Notes Due 2063 General corporate/unallocated expenses Other General Expense Cash portion, cash per share for Kenvue stock converted (in dollars per share) Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Cash Paid Per Acquiree Share Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Cash Paid Per Acquiree Share Restructuring Expenses and Operating Model Optimization Initiatives Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Non-cash charges Restructuring Reserve, Settled without Cash Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value, Measurements, Fair Value Hierarchy Fair Value Hierarchy and NAV [Domain] Other Long-term Debt, Gross Including Lease Obligation Long-term Debt, Gross Including Lease Obligation Other Other Noncash Income (Expense) Debt Instrument [Line Items] Debt Instrument [Line Items] Pain Care Pain Care [Member] Pain Care Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Indefinite-lived Intangible Assets [Axis] Intangible Asset, Indefinite-Lived, Class [Axis] Face and Body Care Face And Body Care [Member] Face And Body Care Name Trading Arrangement, Individual Name Currency Swap Currency Swap [Member] Cash and cash equivalents Cash and Cash Equivalent Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Depreciation and amortization Depreciation, Depletion and Amortization Royalty income Royalty Income Royalty Income Issuance of common stock under the Kenvue 2023 Plan, net (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Current assets Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Senior notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Provision for taxes Income Tax Expense (Benefit) Fair Value Hedging Fair Value Hedging [Member] Other Operating Expense, Net and Other Expense, Net Other Income and Other Expense Disclosure [Text Block] Cost of sales Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Consolidation Consolidation, Policy [Policy Text Block] 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 Accrued rebates, returns, and promotions Accrued Rebates Returns And Promotions, Current Reflects the estimated obligations due within one year for rebates, returns and promotions. Reserves include such items related to Medicaid rebates, product returns due to expiration, product recalls, current portion of coupons and volume-based sales incentives programs. 5.10% Senior Notes due 2043 5.10% Notes Due 2043 [Member] 5.10% Notes Due 2043 5.35% Senior Notes due 2026 5.35% Notes Due 2026 [Member] 5.35% Notes Due 2026 Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] 2026 Restructuring Initiative 2026 Restructuring Initiative [Member] 2026 Restructuring Initiative AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Net income Net income Net income Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Components of Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Term (in months, years) Derivative, Contract Term 5.05% Senior Notes due 2053 5.05% Notes Due 2053 [Member] 5.05% Notes Due 2053 Gain (loss) recognized in CTA within Other comprehensive (loss) income Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] 4.85% Senior Notes due 2032 4.85% Notes Due 2032 [Member] 4.85% Notes Due 2032