RESTRUCTURING ACTIVITIES - Fiscal 2017 Plan (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Apr. 29, 2018	Jan. 28, 2018
Restructuring activities
Restructuring charges	$ 7
Sale of business \| Fiscal 2017 Restructuring Plan \| Waterworks
Restructuring activities
Restructuring charges	7	$ 6
Sale of business \| Fiscal 2017 Restructuring Plan \| Waterworks \| Minimum
Restructuring activities
Expected additional restructuring costs	$ 13
Payback period of the employee-related costs via a permanent reduction in personnel costs	1 year
Sale of business \| Fiscal 2017 Restructuring Plan \| Waterworks \| Maximum
Restructuring activities
Expected additional restructuring costs	$ 15
Payback period of the employee-related costs via a permanent reduction in personnel costs	2 years

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration