Intangible assets and goodwill (Details) - USD ($) $ in Millions	Jun. 28, 2026	Dec. 28, 2025
Intangible assets with indefinite lives:
Total intangible assets — net	$ 48,229	$ 50,403
Trademarks
Intangible assets with indefinite lives:
Total intangible assets with indefinite lives	1,744	1,772
Purchased In-Process Research And Development
Intangible assets with indefinite lives:
Total intangible assets with indefinite lives	15,721	15,619
Patents And Trademarks
Intangible assets with definite lives:
Finite-lived intangible assets, gross	58,542	59,156
Less accumulated amortization	(33,727)	(32,507)
Finite-lived intangible assets, net	24,815	26,649
Customer relationships and other intangible assets
Intangible assets with definite lives:
Finite-lived intangible assets, gross	21,283	21,361
Less accumulated amortization	(15,334)	(14,998)
Finite-lived intangible assets, net	$ 5,949	$ 6,363

Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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