Cash, Cash Equivalents and Investments - Gain (Loss) on Equity Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 27, 2024	Oct. 29, 2023	Oct. 30, 2022
Publicly traded equity securities
Unrealized gain	$ 332	$ 193	$ 30
Unrealized loss	(287)	(44)	(62)
Realized gain on sales and dividends	5	9	7
Realized loss on sales or impairment	(1)	(4)	0
Equity investments in privately held companies
Unrealized gain	3	15	41
Unrealized loss	(17)	(30)	(5)
Realized gain on sales and dividends	4	9	3
Realized loss on sales or impairment	(19)	(121)	(7)
Total gain (loss) on equity investments, net	$ 20	$ 27	$ 7