Cash and Cash Equivalents (Gain (Loss) on Equity Investments) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 30, 2022	Oct. 31, 2021	Oct. 25, 2020
Debt and Equity Securities, FV-NI [Line Items]
Total gain (loss) on equity investments, net	$ 7	$ 99	$ 9
Publicly traded equity securities
Debt and Equity Securities, FV-NI [Line Items]
Unrealized gain	30	14	14
Unrealized loss	(62)	(11)	(17)
Realized gain on sales	7	2	1
Equity investments in privately-held companies
Debt and Equity Securities, FV-NI [Line Items]
Unrealized gain	41	65	18
Unrealized loss	(5)	(12)	(7)
Realized gain on sales	3	48	8
Realized loss on sales or impairment	$ (7)	$ (7)	$ (8)