Capital and treasury stock - Changes in Treasury Stock (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Changes in Treasury Stock Shares Outstanding [Roll Forward]
Treasury Stock, beginning balance (shares)	712,921	712,765	506,246
Employee compensation and stock option plans (shares)	(34,920)	(15,027)	(15,521)
Treasury Stock, ending balance (shares)	711,904	712,921	712,765
Changes in treasury stock
Treasury Stock, Balance	$ 75,680,000	$ 75,662,000	$ 41,694,000
Employee compensation and stock option plans	(6,009,000)	(2,389,000)	(2,529,000)
Kenvue Separation /IPO			23,786,000
Treasury Stock, Ending Balance	$ 75,624,000	$ 75,680,000	$ 75,662,000
Treasury Stock Amount
Changes in Treasury Stock Shares Outstanding [Roll Forward]
Repurchase of common stock (shares)	33,903	15,183	31,085
Kenvue share exchange (Note 21)			190,955
Changes in treasury stock
Repurchase of common stock	$ 5,953,000	$ 2,407,000	$ 5,079,000
Kenvue Separation /IPO			$ 31,418,000

Changes in treasury stock.

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Changes in Treasury Stock Shares Outstanding [Roll Forward]

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Stockholders Equity Note, Spinoff Transaction, Shares

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Treasury Stock, Value, Acquired, Cost Method, Net Of Tax

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Number of shares of stock issued attributable to transactions classified as other.

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Value of shares of stock issued attributable to transactions classified as other.

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The change in equity as a result of a spin-off transaction (a regular or reverse spin-off) which is based on the recorded amounts.

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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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Number of shares that have been repurchased during the period and are being held in treasury.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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