Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May 02, 2015	Jan. 28, 2017	Jan. 30, 2016		Jan. 31, 2015
Quarterly Financial Data [Abstract]
Net Sales	$ 4,489	$ 2,581	$ 2,890	$ 2,614	$ 4,395	$ 2,482	$ 2,765	$ 2,512	$ 12,574	$ 12,154		$ 11,454
Gross Profit	1,944	1,025	1,113	1,043	2,002	1,031	1,114	1,056	5,125	5,204		4,808
Operating Income	988	284	408	323	1,078	339	403	372	2,003	2,192	[1]	1,953	[1]
Income Before Income Taxes	893	190	380	233	982	260	323	369	1,696	1,934		1,636
Net Income (Loss) Attributable to Parent	$ 632	$ 122	$ 252	$ 152	$ 636	$ 164	$ 202	$ 250	$ 1,158	$ 1,253		$ 1,042
Net Income Per Basic Share	$ 2.21	$ 0.43	$ 0.88	$ 0.53	$ 2.19	$ 0.56	$ 0.69	$ 0.86	$ 4.04	$ 4.30		$ 3.57
Net Income Per Diluted Share	$ 2.18	$ 0.42	$ 0.87	$ 0.52	$ 2.15	$ 0.55	$ 0.68	$ 0.84	$ 3.98	$ 4.22		$ 3.50

[1] Assets are allocated to the operating segments based on decision making authority relevant to the applicable assets.