Land, Property And Equipment (Schedule Of Land, Property And Equipment) (Details) - USD ($) $ in Millions	Jan. 30, 2016	Jan. 31, 2015
Land, Property and Equipment [Line Items]
Land, property and equipment	$ 8,843	$ 8,038
Less: accumulated depreciation and amortization	(5,108)	(4,698)
Land, property and equipment, net	3,735	3,340
Land and land improvements [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	104	99
Buildings and building improvements [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	1,187	1,040
Leasehold improvements [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	2,686	2,510
Store fixtures and equipment [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	3,339	3,055
Capitalized software [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	928	739
Construction in progress [Member]
Land, Property and Equipment [Line Items]
Land, property and equipment	$ 599	$ 595