Debt Instrument, Call Feature, Period

No definition available.

Name:	kvue_DebtInstrumentCallFeaturePeriod
Namespace Prefix:	kvue_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Interest Rate, Floor

+ References

No definition available.

+ Details

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Namespace Prefix:	kvue_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Series Of Senior Unsecured Notes

+ References

No definition available.

+ Details

Name:	kvue_NumberOfSeriesOfSeniorUnsecuredNotes
Namespace Prefix:	kvue_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

Name:	us-gaap_DeferredFinanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of interest income, amortization of premium and accretion of discount, on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading); classified as operating.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from the collection of receivables classified as other.

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Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Borrowings - Narrative (Details) $ in Millions					1 Months Ended	6 Months Ended	12 Months Ended
Borrowings - Narrative (Details) $ in Millions	May 08, 2023 USD ($)	Mar. 22, 2023 USD ($) note	Mar. 06, 2023 USD ($)	Mar. 03, 2023 USD ($)	May 03, 2023 USD ($)	Jul. 02, 2023 USD ($)	Dec. 28, 2025 USD ($)	Dec. 29, 2024 USD ($)	Dec. 31, 2023 USD ($)	May 22, 2025 USD ($)	Apr. 05, 2023 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of Senior Notes, net of issuance costs							$ 746	$ 0	$ 7,686
Weighted average interest rate, short term							5.40%	5.50%
Interest income									33
Proceeds from collection of receivables							$ 0	$ 0	$ 8,941
Long-term debt, fair value							$ 7,600	$ 7,500
Facility Agreement \| Johnson & Johnson
Debt Instrument [Line Items]
Proceeds from collection of receivables	$ 9,000
Facility Agreement \| Johnson & Johnson
Debt Instrument [Line Items]
Debt instrument, face amount											$ 8,900
Weighted average interest rate											4.70%
Basis spread (in basis points)											0.15%
Interest rate floor											0.00%
4.85% Notes Due 2032
Debt Instrument [Line Items]
Stated interest rate (as a percent)							4.85%
4.85% Notes Due 2032 \| Senior notes
Debt Instrument [Line Items]
Debt instrument, face amount										$ 750
Senior notes
Debt Instrument [Line Items]
Number of series of senior unsecured notes \| note		8
Debt instrument, face amount		$ 7,750
Proceeds from issuance of Senior Notes, net of issuance costs		7,700				$ 7,700
Unamortized debt issuance costs		$ 77
Redemption price, percentage of principal amount redeemed							100.00%
Weighted average interest rate							5.10%	5.10%
Senior notes \| Minimum
Debt Instrument [Line Items]
Call feature, period							0 months
Senior notes \| Maximum
Debt Instrument [Line Items]
Call feature, period							6 months
Commercial Paper
Debt Instrument [Line Items]
Weighted average interest rate							4.30%	5.20%
Line of credit facility, maximum borrowing capacity				$ 4,000
Proceeds from issuance					$ 1,250	$ 1,200
Outstanding balance							$ 699	$ 797
Related discount							1	3
Maturity term				364 days
Revolving Credit Facility \| The Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 4,000
Outstanding balance							$ 0	$ 0
Maturity term			5 years