Financial Instruments and Risk Management (Notional Amounts for All Outstanding Derivatives and Weighted-Average Exchange Rates of Foreign Exchange Forward Contracts) (Details) $ in Millions	Jan. 30, 2016 USD ($)
Diesel Fuel Forward Contracts [Member]
Derivative [Line Items]
Notional value of contracts outstanding	$ 1
Inventories [Member] | Buy Euro Sell British Pound Sterling [Member]
Derivative [Line Items]
Notional value of contracts outstanding	$ 72
Weighted-Average Exchange Rate	0.7359
Intercompany [Member] | Buy Euro Sell British Pound Sterling [Member]
Derivative [Line Items]
Notional value of contracts outstanding	$ 11
Weighted-Average Exchange Rate	0.7298
Intercompany [Member] | Buy US Dollar Sell Canadain Dollar [Member]
Derivative [Line Items]
Notional value of contracts outstanding	$ 2
Weighted-Average Exchange Rate	1.4080