NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended				12 Months Ended				12 Months Ended
	Feb. 03, 2013 location	Feb. 03, 2013 segment product location	Jan. 29, 2012	Jan. 30, 2011	Feb. 03, 2010 HDS Plan Non-qualified stock options	Feb. 03, 2013 Minimum customer	Feb. 03, 2013 Maximum	Feb. 03, 2013 Maximum HDS Plan	Feb. 03, 2013 Maximum HDS Plan Non-qualified stock options	Feb. 03, 2013 Building Improvements Minimum	Feb. 03, 2013 Building Improvements Maximum	Feb. 03, 2013 Transportation Equipment Minimum	Feb. 03, 2013 Transportation Equipment Maximum	Feb. 03, 2013 Furniture, Fixtures and Equipment Minimum	Feb. 03, 2013 Furniture, Fixtures and Equipment Maximum	Feb. 03, 2013 Capitalized Software	Jan. 29, 2012 Capitalized Software	Jan. 30, 2011 Capitalized Software	Feb. 03, 2013 Capitalized Software Minimum	Feb. 03, 2013 Capitalized Software Maximum	Feb. 03, 2013 U.S. location	Feb. 03, 2013 Canada location
Nature of Business and Accounting Policy disclosures
Number of professional customer						500,000
Number of SKUs offered		1,000,000
Number of operating locations	635	635
Number of states or provinces	9	9																			46	9
Reportable segment		4
Number of weeks in fiscal year						364 days	371 days
Number of weeks in current fiscal year		371 days	364 days	364 days
Vendor rebates receivables	$ 66	$ 66	$ 71
Estimated useful life										5 years	45 years	5 years	7 years	2 years	10 years				3 years	6 years
Accumulated amortization	450	450	417													126	114
Property and equipment, net	395	395	398													82	71
Amortization cost		342	350	369												30	28	31
Goodwill and other intangible asset impairment	150	150	0	0
Self-insurance reserves	94	94	101
Revenues from services		134	115	98
Shipping and handling costs		116	96	91
Advertising expenses		$ 34	$ 24	$ 21
Number of shares of common stock that may be issued under the HDS Plan					55.6			55.6	30.9