Inventories (Details) - USD ($) $ in Millions	Jul. 29, 2017	Jan. 28, 2017	Jul. 30, 2016
Inventory [Line Items]
Inventory, Finished Goods, Net of Reserves	$ 973	$ 982	$ 1,062
Raw Materials and Merchandise Components	145	114	142
Total Inventories	$ 1,118	$ 1,096	$ 1,204