Business and Summary of Accounting Policies Adverstising (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Advertising Costs Exclusive Of Vendor Allowances	$ 1,189	$ 1,185	$ 1,163
Allowances Received From Vendors For Advertising Expenses Incurred	(165)	(172)	(170)
Advertising Expense	$ 1,024	$ 1,013	$ 993
Net Advertising To Net Sales	5.40%	5.30%		5.20%