Shareholders' Equity (Details) (USD $)	3 Months Ended		18 Months Ended
	Jan. 30, 2015	Jan. 31, 2014	Jan. 30, 2015	Aug. 01, 2013
Equity [Abstract]
Value of shares authorized to be repurchased				$ 1,000,000,000
Purchase of treasury stock (in shares)	954,580	2,258,898	9,771,605
Purchase of treasury stock	50,000,000	122,000,000	533,400,000
Remaining shares available under repurchase program	$ 466,600,000		$ 466,600,000