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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Intangible assets
Intangible assets, gross (excluding goodwill)	$ 1,807	$ 1,943
Amortizable intangible assets, accumulated amortization	(785)	(840)
Amortizable intangible assets, net	1,018
Intangible assets, net (excluding goodwill)	1,022	1,103
In-process research and development
Intangible assets
Indefinite-lived intangible assets (excluding goodwill)	4	106
Customer contracts, customer lists and distribution agreements
Intangible assets
Amortizable intangible assets, gross	472	429
Amortizable intangible assets, accumulated amortization	(175)	(163)
Amortizable intangible assets, net	$ 297	266
Weighted-Average Remaining Useful Lives	5 years
Developed and core technology and patents
Intangible assets
Amortizable intangible assets, gross	$ 1,187	1,267
Amortizable intangible assets, accumulated amortization	(537)	(627)
Amortizable intangible assets, net	$ 650	640
Weighted-Average Remaining Useful Lives	4 years
Trade name and trade marks
Intangible assets
Amortizable intangible assets, gross	$ 144	141
Amortizable intangible assets, accumulated amortization	(73)	(50)
Amortizable intangible assets, net	$ 71	$ 91
Weighted-Average Remaining Useful Lives	3 years

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