RECENTLY ADOPTED ACCOUNTING STANDARDS (Details) - USD ($) $ in Millions	3 Months Ended						4 Months Ended		12 Months Ended
	Jan. 28, 2017	Nov. 05, 2016	Aug. 13, 2016	Jan. 30, 2016	Nov. 07, 2015	Aug. 15, 2015	May 21, 2016	May 23, 2015	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Recently adopted accounting standards
Tax benefits	$ (230)	$ (206)	$ (171)	$ (250)	$ (238)	$ (227)	$ (350)	$ (330)	$ (957)	$ (1,045)	$ (902)
Net cash provided by operating activities									4,272	4,917	4,215
Net cash used by financing activities									352	1,338	1,288
Accounting Standards Update 2016-09 | Adjustment
Recently adopted accounting standards
Tax benefits									49
Net cash provided by operating activities									59	84	52
Net cash used by financing activities									$ 59	$ 84	$ 52