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Intangible Assets and Goodwill (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 03, 2021	Jan. 03, 2021
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	$ 16,856	$ 19,044
Total intangible assets - net	47,776	53,402
Trademarks
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	7,013	7,195
Purchased In-Process Research And Development
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	9,843	11,849
Patents And Trademarks
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	39,176	39,990
Less accumulated amortization	(19,569)	(17,618)
Finite-Lived Intangible Assets, Net	19,607	22,372
Customer relationships and other intangible assets
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	22,950	22,898
Less accumulated amortization	(11,637)	(10,912)
Finite-Lived Intangible Assets, Net	11,313	$ 11,986
In-process research and development | Auris Health
Intangible assets with indefinite lives:
Impairment of intangible assets	$ 900

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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