SEGMENT INFORMATION - Total Assets for Each Reportable Segment (Details) - USD ($) $ in Millions	Jan. 31, 2016	Feb. 01, 2015	Feb. 02, 2014
SEGMENT INFORMATION
Assets	$ 6,016	$ 5,977	$ 6,227
Corporate & Other
SEGMENT INFORMATION
Assets	1,389	1,330	1,619
Facilities Maintenance \| Operating segments
SEGMENT INFORMATION
Assets	2,358	2,390	2,433
Waterworks \| Operating segments
SEGMENT INFORMATION
Assets	1,636	1,640	1,585
Construction & Industrial - White Cap \| Operating segments
SEGMENT INFORMATION
Assets	$ 633	$ 617	$ 590

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.18)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 12
-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 18
-Article 5

Name:	us-gaap_Assets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant