Nature Of Operations And Summary Of Significant Accounting Policies (Activity In The Allowance Of Sales Returns, Net) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 28, 2012		Jan. 29, 2011		Jan. 30, 2010
Nature Of Operations And Summary Of Significant Accounting Policies [Abstract]
Allowance at beginning of year	$ 85		$ 76		$ 70
Additions	1,411		1,180		1,030
Returns, net	(1,393)	[1]	(1,171)	[1]	(1,024)	[1]
Allowance at end of year	$ 103		$ 85		$ 76

[1] Returns, net consist of actual returns offset by the value of the merchandise returned and the sales commission reversed.