Restructuring Charges Restructuring Other (Details) - USD ($) $ in Millions		9 Months Ended
		Oct. 31, 2015	Nov. 01, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 189	$ 17
Facility closure and other costs [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		18
Continuing Operations [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		189	12
Continuing Operations [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	[1]	$ 2	$ (6)

[1] Represents activity related to our remaining vacant space liability for U.S. large-format store closures in fiscal 2013. We may continue to incur immaterial adjustments to the liability for changes in sublease assumptions or potential lease buyouts. In addition, lease payments for vacated stores will continue until leases expire or are terminated. The remaining vacant space liability was $18 million at October 31, 2015.