Land, Property And Equipment (Schedule Of Land, Property And Equipment) (Details) - USD ($) $ in Millions	Jan. 28, 2017	Jan. 30, 2016
Land, Property and Equipment [Line Items]
Land, property and equipment	$ 9,493	$ 8,843
Less: accumulated depreciation and amortization	(5,596)	(5,108)
Land, property and equipment, net	3,897	3,735
Land and land improvements [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	107	104
Buildings and building improvements [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	1,198	1,187
Leasehold improvements [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	2,938	2,686
Store fixtures and equipment [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	3,513	3,339
Capitalized software [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	1,183	928
Construction in progress [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	$ 554	$ 599