Quarterly Summary (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 Information Disclosure [Abstract]
Sales	$ 4,560	$ 4,842	$ 4,274	$ 4,570	$ 4,695	$ 4,998	$ 4,387	$ 4,684	$ 18,247	$ 18,764	$ 19,684
Gross Profit	1,234	1,303	1,069	1,152	1,227	1,362	1,126	1,193	4,758	4,907	5,038
Income (Loss) from Continuing Operations Attributable to Parent	(615)	207	(108)	56	130	203	62	67	(459)	462	125
(Loss) income from discontinued operations, net of income taxes	(337)	(28)	(658)	(15)	(44)	(5)	(26)	(8)	$ (1,038)	$ (83)	$ 10
Net Income (Loss) Attributable to Noncontrolling Interest	$ (952)	$ 179	$ (766)	$ 41	$ 86	$ 198	$ 36	$ 59
Continuing operations	$ (0.94)	$ 0.32	$ (0.17)	$ 0.09	$ 0.20	$ 0.32	$ 0.10	$ 0.10	$ (0.71)	$ 0.71	$ 0.19
Discontinued operations	(0.52)	(0.04)	(1.01)	(0.03)	(0.07)	(0.01)	(0.04)	(0.01)	(1.60)	(0.12)	0.02
Earnings Per Share, Basic	(1.46)	0.28	(1.18)	0.06	0.13	0.31	0.06	0.09	(2.31)	0.59	0.21
Continuing operations	(0.94)	0.32	(0.17)	0.09	0.20	0.31	0.10	0.10	(0.71)	0.71	0.19
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	(0.52)	(0.05)	(1.01)	(0.03)	(0.07)	0.00	(0.04)	(0.01)	(1.60)	(0.12)	0.02
Earnings Per Share, Diluted	$ (1.46)	$ 0.27	$ (1.18)	$ 0.06	$ 0.13	$ 0.31	$ 0.06	$ 0.09	$ (2.31)	$ 0.59	$ 0.21
Goodwill impairment	$ 749	$ 0	$ 0	$ 0					$ 1,378		$ 410
Impairment of goodwill and long-lived assets	17	2	15	0	$ 11	$ 2	$ 1	$ 22	1,700	$ 50	470
restructuring charges and costs related to strategic plans	23	6	6	11					45	105	158
(Loss) gain on sale of businesses and assets	(5)	(2)	(16)	(32)					(168)	(5)	27
Business Combination, Acquisition Related Costs	0	0	283	52	58	40	34	15	24	53
Legal Fees	$ (3)	$ 0	$ 16	$ 0					14	0	0
Restructuring charges					37	14	15	39	38	105	158
Restructuring and Related Cost, Accelerated Depreciation					0	0	0	3	0	3	8
PNI data security incident costs					16	3	0	0	0	18	0
Gain (Loss) on Disposition of Assets					7	0	(1)	(1)
Inventory write-down					$ 0	$ 1	$ 0	$ 0	$ 0	$ 1	$ 26