Cash, Cash Equivalents and Investments - Gain (Loss) on Equity Investments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2023	May 01, 2022	Apr. 30, 2023	May 01, 2022
Gain (Loss) on Securities [Line Items]
Total gain (loss) on equity investments, net	$ (128)	$ 30	$ (120)	$ 33
Publicly traded equity securities
Gain (Loss) on Securities [Line Items]
Unrealized gain	1	17	19	18
Unrealized loss	(11)	(2)	(27)	(10)
Realized gain on sales	1	0	1	2
Realized loss on sales and impairment	(1)	0	(2)	0
Equity investments in privately-held companies
Gain (Loss) on Securities [Line Items]
Unrealized gain	8	13	12	25
Unrealized loss	(9)	0	(11)	0
Realized gain on sales	0	2	5	2
Realized loss on sales and impairment	$ (117)	$ 0	$ (117)	$ (4)