Supplemental Disclosure (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2013	Aug. 03, 2012	Aug. 02, 2013	Aug. 03, 2012
Net interest expense
Long-term debt	$ 103	$ 111	$ 207	$ 208
Capitalized lease obligations	9	9	19	18
Interest income	(1)	(3)	(2)	(5)
Interest capitalized	(1)	(1)	(2)	(2)
Interest on tax uncertainties	(2)	(22)	(2)	(25)
Other	2	2	3	5
Interest - net	$ 110	$ 96	$ 223	$ 199