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Segment Information (Details) $ in Millions	3 Months Ended		12 Months Ended
	Jan. 31, 2021 USD ($) segment Customer	Feb. 02, 2020 USD ($) Customer	Nov. 01, 2020 Customer
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Total net revenue	$ 6,655	$ 5,858
Total operating income	$ 1,837	$ 714
Customer Concentration Risk | Trade accounts receivable, net
Segment Reporting Information [Line Items]
Concentration Risk, Number of Major Customers | Customer	0		0
Customer Concentration Risk | Sales Revenue, Net [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Number of Major Customers | Customer	1	1
Customer Concentration Risk | Sales [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	19.00%	14.00%
Unallocated Expenses [Member]
Segment Reporting Information [Line Items]
Total operating income	$ (1,943)	$ (2,370)
Semiconductor Solutions [Member]
Segment Reporting Information [Line Items]
Total net revenue	4,908	4,191
Total operating income	2,561	2,043
Infrastructure software
Segment Reporting Information [Line Items]
Total net revenue	1,747	1,667
Total operating income	$ 1,219	$ 1,041

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