Industry Segment Operations (Net Sales and Long-lived Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 25, 2020	Oct. 27, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 23,063	$ 17,202	$ 14,608
Long-lived assets	2,087	1,777
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	2,038	1,619	1,871
Long-lived assets	1,965	1,628
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	7,535	5,456	4,277
Long-lived assets	10	14
Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	5,012	3,031	1,929
Long-lived assets	16	21
Taiwan
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	4,742	3,953	2,965
Long-lived assets	62	59
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	1,962	1,996	2,198
Long-lived assets	9	16
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	1,097	736	820
Long-lived assets	12	21
Southeast Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	677	411	548
Long-lived assets	13	18
Total outside United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	21,025	15,583	$ 12,737
Long-lived assets	$ 122	$ 149