Industry Segment Operations (Segment Reconciling Items) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 25, 2020	Oct. 27, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	$ 23,063	$ 17,202	$ 14,608
Share-based compensation	(346)	(307)	(263)
Severance and related charges	(157)	0	0
Deal termination fee	(154)	0	0
Income from operations	6,889	4,365	3,350
Corporate and Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	130	73	76
Unallocated cost of products sold and expenses	(725)	(533)	(322)
Share-based compensation	(346)	(307)	(263)
Severance and related charges	(149)	0	0
Deal termination fee	(154)	0	0
Income from operations	$ (1,244)	$ (767)	$ (509)