Business and Summary of Accounting Policies Property and Equipment (Details) (USD $) In Millions, unless otherwise specified	Feb. 02, 2013	Jan. 28, 2012
Property, Plant and Equipment [Line Items]
Land	$ 1,089	$ 1,081
Store fixtures and equipment	2,517	2,367
Construction in progress	130	204
Total property and equipment	13,980	13,462
Less accumulated depreciation	(5,108)	(4,557)
Property and equipment, net	8,872	8,905
Owned
Property, Plant and Equipment [Line Items]
Buildings and improvements:	7,575	7,318
Leased
Property, Plant and Equipment [Line Items]
Buildings and improvements:	1,820	1,792
Computer Hardware And Software
Property, Plant and Equipment [Line Items]
Store fixtures and equipment	$ 849	$ 700