FINANCIAL SERVICES - Finance Leases (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 31, 2020	Aug. 02, 2019	Jul. 31, 2020	Aug. 02, 2019
Receivables [Abstract]
Net revenue — products	$ 249	$ 223	$ 464	$ 353
Cost of net revenue — products	174	179	333	260
Gross margin — products	$ 75	$ 44	$ 131	$ 93

Cost of goods sold for sales-type financing lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 5
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919372-209981

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI http://asc.fasb.org/extlink&oid=121640914&loc=SL77927221-108306

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