Change in Accounting Policy (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 01, 2015	Feb. 02, 2014
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Change In Accounting Policy, Effect Of Change On Cost Of Sales	$ 565	$ 475
Change In Accounting Policy, Effect Of Change On Operating Expenses	$ 565	$ 475