Subsequent Events (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	2 Months Ended	3 Months Ended												12 Months Ended
	Mar. 16, 2016	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May. 02, 2015	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May. 03, 2014	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May. 04, 2013	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014	Feb. 01, 2016	Feb. 02, 2013
Subsequent Event [Line Items]
Treasury Stock, Shares, Acquired														5,468	1,317	1,377
Repurchase of Common Stock														$ 483.0	$ 84.0	$ 63.0
Common Stock, Dividends, Per Share, Declared		$ 0.50												$ 4.00	$ 2.36	$ 1.20
Payments of Ordinary Dividends, Common Stock		$ 145.0	$ 146.0	$ 146.0	$ 734.0	$ 100.0	$ 100.0	$ 99.0	$ 392.0	$ 88.0	$ 87.0	$ 87.0	$ 87.0	$ 1,171.0	$ 691.0	$ 349.0
Dividend Declared [Member]
Subsequent Event [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.60
Special Dividends Per Share Declared	$ 2
Payments of Ordinary Dividends, Common Stock	$ 748.0
June 2015 Repurchase Program [Member]
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount				250.0
Treasury Stock, Shares, Acquired														2,680
Repurchase of Common Stock														$ 233.0
June 2015 Repurchase Program [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount																	$ 17.0
November 2012 Repurchase Program [Member]
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount																		$ 250.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount					91.0
Treasury Stock, Shares, Acquired															1,317	1,377
Repurchase of Common Stock															$ 84.0	$ 63.0
February 2015 Repurchase Program [Member] [Member]
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount					$ 250.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount				$ 0.6
Treasury Stock, Shares, Acquired														2,788
Repurchase of Common Stock														$ 250.0
Third Party Sourcing Business [Member]
Subsequent Event [Line Items]
Equity Method Investment, Net Sales Proceeds														85.0
Equity Method Investment, Realized Gain (Loss) on Disposal														$ 78.0