Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2021	Jan. 26, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 1,130	$ 892
Other comprehensive income (loss), net of tax:
Change in unrealized gain (loss) on available-for-sale investments	(2)	2
Change in unrealized net loss on derivative instruments	4	(10)
Other comprehensive income (loss), net of tax	2	(8)
Comprehensive income	$ 1,132	$ 884