Industry Segment Operations (Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 30, 2016	Jul. 31, 2016	May 01, 2016	Jan. 31, 2016	Oct. 29, 2017	Oct. 30, 2016	Oct. 25, 2015
Information for each reportable segment
Net Sales	$ 3,969	$ 3,744	$ 3,546	$ 3,278	$ 3,297	$ 2,821	$ 2,450	$ 2,257	$ 14,537	$ 10,825	$ 9,659
Operating Income (Loss)									3,868	2,152	1,693
Depreciation/ Amortization									407	389	371
Capital Expenditures									345	253	215
Accounts Receivable	2,338				2,279				2,338	2,279	1,739
Inventories	2,930				2,050				2,930	2,050	1,833
Operating Segments | Semiconductor Systems
Information for each reportable segment
Net Sales									9,517	6,873	6,135
Operating Income (Loss)									3,173	1,807	1,410
Depreciation/ Amortization									286	277	268
Capital Expenditures									150	114	115
Accounts Receivable	1,626				1,524				1,626	1,524	1,160
Inventories	1,760				1,188				1,760	1,188	1,079
Operating Segments | Applied Global Services
Information for each reportable segment
Net Sales									3,017	2,589	2,447
Operating Income (Loss)									817	682	630
Depreciation/ Amortization									15	12	10
Capital Expenditures									21	14	12
Accounts Receivable	564				559				564	559	483
Inventories	762				594				762	594	555
Operating Segments | Display and Adjacent Markets
Information for each reportable segment
Net Sales									1,900	1,206	944
Operating Income (Loss)									502	245	191
Depreciation/ Amortization									12	5	6
Capital Expenditures									17	6	13
Accounts Receivable	190				238				190	238	129
Inventories	367				215				367	215	176
Corporate And Reconciling Items [Member]
Information for each reportable segment
Net Sales									103	157	133
Operating Income (Loss)									(624)	(582)	(538)
Depreciation/ Amortization									94	95	87
Capital Expenditures									157	119	75
Accounts Receivable	(42)				(42)				(42)	(42)	(33)
Inventories	$ 41				$ 53				$ 41	$ 53	$ 23