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Inventories (Details) - USD ($)
$ in Millions
Oct. 31, 2015
Jan. 31, 2015
Nov. 01, 2014
Inventory, Net [Abstract]      
Finished Goods Merchandise $ 1,465 $ 942 $ 1,360
Raw Materials and Merchandise Components 155 94 125
Total Inventories $ 1,620 $ 1,036 $ 1,485