SEGMENT INFORMATION (Details) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 02, 2015 USD ($) location	Aug. 03, 2014 USD ($)	Aug. 02, 2015 USD ($) segment location	Aug. 03, 2014 USD ($)
Segment information
Number of reportable segments | segment			3
Net Sales	$ 2,006	$ 1,880	$ 3,728	$ 3,513
Adjusted EBITDA	258	224	446	390
Depreciation & Software Amortization	27	28	52	53
Other Intangible Amortization	3	27	7	55
Corporate & Other
Segment information
Net Sales	140	140	269	274
Adjusted EBITDA	(7)	(5)	(18)	(11)
Depreciation & Software Amortization	6	5	11	12
Other Intangible Amortization	$ 1	1	$ 3	3
Corporate & Other | Canada
Segment information
Number of provinces | location	6		6
Facilities Maintenance
Segment information
Net Sales	$ 733	686	$ 1,368	1,290
Adjusted EBITDA	156	139	278	248
Depreciation & Software Amortization	11	13	23	25
Other Intangible Amortization	2	20	3	40
Waterworks
Segment information
Net Sales	702	665	1,272	1,216
Adjusted EBITDA	66	57	111	98
Depreciation & Software Amortization	3	3	5	5
Other Intangible Amortization		1	1	2
Construction & Industrial - White Cap
Segment information
Net Sales	431	389	819	733
Adjusted EBITDA	43	33	75	55
Depreciation & Software Amortization	$ 7	7	$ 13	11
Other Intangible Amortization		$ 5		$ 10