The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482686/350-30-45-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-2

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

Intangible assets and goodwill - Narrative (Details) - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022	Dec. 22, 2022
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life				14 years
Amortization expense of amortizable intangible assets	$ 4.5	$ 3.9	$ 4.2
Patents And Trademarks
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	11 years
Customer relationships and other intangible assets
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	19 years