Kenvue separation and discontinued operations - Depreciation and Amortization of Discontinued Operation (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022
Discontinued Operations and Disposal Groups [Abstract]
Depreciation and Amortization	$ 383	$ 641	$ 739
Capital expenditures	$ 162	$ 303	$ 314

Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483499/205-20-50-5B

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration