Cash and Cash Equivalents (Gain (Loss) on Equity Investments) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 29, 2023	Oct. 30, 2022	Oct. 31, 2021
Debt and Equity Securities, FV-NI [Line Items]
Total gain (loss) on equity investments, net	$ 27	$ 7	$ 99
Publicly traded equity securities
Debt and Equity Securities, FV-NI [Line Items]
Unrealized gain	193	30	14
Unrealized loss	(44)	(62)	(11)
Realized gain on sales and dividends	9	7	2
Realized loss on sales or impairment	(4)	0	0
Equity investments in privately-held companies
Debt and Equity Securities, FV-NI [Line Items]
Unrealized gain	15	41	65
Unrealized loss	(30)	(5)	(12)
Realized gain on sales and dividends	9	3	48
Realized loss on sales or impairment	$ (121)	$ (7)	$ (7)