Hurricane Related Costs (Narrative) (Details) $ in Millions	3 Months Ended		6 Months Ended	9 Months Ended
	Feb. 03, 2018 store	Oct. 28, 2017 USD ($) store	Jul. 28, 2018 store	Oct. 28, 2017 USD ($) store
Unusual or Infrequent Item, or Both [Line Items]
Loss from hurricanes | $		$ 7		$ 7
Property damages and other costs | $		2		2
Inventory Write Off | $		$ 5		$ 5
Stores Closed Due to Hurricanes [Member]
Unusual or Infrequent Item, or Both [Line Items]
Number of stores | store		450		450
Stores Closed in Puerto Rico [Member]
Unusual or Infrequent Item, or Both [Line Items]
Number of stores | store		22		22
Scenario, Forecast [Member] | Stores Expected to Reopen [Member]
Unusual or Infrequent Item, or Both [Line Items]
Number of stores expected to reopen in the period | store	8		7