Earnings (Loss) Per Share (EPS) (Shares Repurchase Program) (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended		12 Months Ended		3 Months Ended
	Apr. 03, 2015	May 02, 2014	Jan. 30, 2015	Jan. 31, 2014	Aug. 01, 2014
Accelerated Share Repurchases [Line Items]
Repurchases of stock	$ 6,000,000	$ 212,000,000
Shares repurchased and retired			6.3
Accelerated Share Repurchase
Accelerated Share Repurchases [Line Items]
Repurchases of stock				300,000,000
Shares repurchased and retired		1.0		5.6
Second Accelerated Share Repurchase
Accelerated Share Repurchases [Line Items]
Repurchases of stock		$ 200,000,000
Shares repurchased and retired		4.5			0.8