SEGMENT INFORMATION (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 03, 2013 location	Oct. 28, 2012	Jul. 29, 2012	Apr. 29, 2012	Jan. 29, 2012	Oct. 30, 2011	Jul. 31, 2011	May 01, 2011	Feb. 03, 2013 segment location	Jan. 29, 2012	Jan. 30, 2011
SEGMENT INFORMATION
Number of provinces	9								9
Segment information
Number of reportable segments									4
Net sales	$ 1,994	$ 2,146	$ 2,059	$ 1,836	$ 1,652	$ 1,893	$ 1,875	$ 1,608	$ 8,035	$ 7,028	$ 6,449
Adjusted EBITDA									683	508	411
Depreciation & Software Amortization									96	85	99
Other Intangible Amortization									243	244	244
Total Assets	7,334				6,738				7,334	6,738	7,089
Capital Expenditures									115	109	45
Facilities Maintenance
Segment information
Net sales									2,182	1,870	1,682
Adjusted EBITDA									389	318	282
Depreciation & Software Amortization									39	30	28
Other Intangible Amortization									79	75	75
Total Assets	2,463				2,264				2,463	2,264	2,265
Capital Expenditures									35	32	20
Waterworks
Segment information
Net sales									2,028	1,772	1,659
Adjusted EBITDA									137	112	94
Depreciation & Software Amortization									10	5	5
Other Intangible Amortization									96	95	94
Total Assets	1,562				1,562				1,562	1,562	1,582
Capital Expenditures									12	5	2
Power Solutions
Segment information
Net sales									1,787	1,625	1,462
Adjusted EBITDA									72	50	49
Depreciation & Software Amortization									7	5	5
Other Intangible Amortization									18	20	19
Total Assets	816				775				816	775	740
Capital Expenditures									4	5	2
White Cap
Segment information
Net sales									1,178	981	852
Adjusted EBITDA									56	17	(10)
Depreciation & Software Amortization									12	14	20
Other Intangible Amortization									20	19	19
Total Assets	521				481				521	481	439
Capital Expenditures									22	16	3
Corporate & Other
Segment information
Net sales									860	780	794
Adjusted EBITDA									29	11	(4)
Depreciation & Software Amortization									28	31	41
Other Intangible Amortization									30	35	37
Total Assets	1,972				1,656				1,972	1,656	2,063
Capital Expenditures									$ 42	$ 51	$ 18