Cash, Cash Equivalents and Investments - Gain (Loss) on Equity Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 25, 2026	Jan. 26, 2025
Publicly traded equity securities
Unrealized gain	$ 484	$ 3
Unrealized loss	(16)	(111)
Realized gain on sales and dividends	4	3
Realized loss on sales or impairment	(2)	0
Equity investments in privately held companies
Unrealized gain	18	7
Unrealized loss	(2)	(5)
Realized gain on sales and dividends	4	6
Realized loss on sales or impairment	(20)	0
Total gain (loss) on equity investments, net	$ 470	$ (97)