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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Aug. 01, 2021	Jul. 31, 2022	Aug. 01, 2021
Income Tax Disclosure [Abstract]
Provision for (benefit from) income taxes	$ 263	$ (150)	$ 678	$ (151)
Gross unrecognized tax benefits	5,105		5,105
Possible change of existing unrecognized tax benefits	$ 390		$ 390

X

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits.

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