Inventories (Details) - USD ($) $ in Millions	Oct. 28, 2017	Jan. 28, 2017	Oct. 29, 2016
Inventory [Line Items]
Inventory, Finished Goods, Net of Reserves	$ 1,549	$ 982	$ 1,499
Raw Materials and Merchandise Components	166	114	152
Total Inventories	$ 1,715	$ 1,096	$ 1,651