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Net Sales and Segment Reporting (Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Feb. 03, 2019	Oct. 28, 2018	Jul. 29, 2018	Apr. 29, 2018	Jan. 28, 2018	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Feb. 03, 2019	Jan. 28, 2018	Jan. 29, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets											$ 21,914
Net property and equipment	$ 22,375				$ 22,075				$ 22,375	$ 22,075
Net Sales	26,491	$ 26,302	$ 30,463	$ 24,947	23,883	$ 25,026	$ 28,108	$ 23,887	108,203	100,904	94,595
Inside the U.S. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	19,930				19,526				19,930	19,526	19,519
Net Sales									99,386	92,413	86,615
Outside the U.S. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 2,445				$ 2,549				2,445	2,549	2,395
Net Sales									$ 8,817	$ 8,491	$ 7,980

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