GOODWILL AND INTANGIBLE ASSETS - Roll Forward of Goodwill Allocated to Business Segments (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 03, 2017	Jan. 29, 2016	Sep. 07, 2016
Goodwill [Roll Forward]
Balances at beginning of period	$ 8,406	$ 8,406
Goodwill recognized/acquired during period	31,539	0
Impact of foreign currency translation	(201)
Goodwill divested	(834)
Other adjustments	0	0
Balances at end of period	38,910	8,406
Goodwill	8,406	8,406
EMC
Goodwill [Roll Forward]
Goodwill			$ 31,539
Operating segments \| Client Solutions Group
Goodwill [Roll Forward]
Balances at beginning of period	4,428	4,428
Goodwill recognized/acquired during period	0	0
Impact of foreign currency translation	0
Goodwill divested	0
Other adjustments	(191)	0
Balances at end of period	4,237	4,428
Goodwill	4,428	4,428
Operating segments \| Infrastructure Solutions Group
Goodwill [Roll Forward]
Balances at beginning of period	3,907	3,907
Goodwill recognized/acquired during period	12,872	0
Impact of foreign currency translation	(169)
Goodwill divested	(834)
Other adjustments	(169)	0
Balances at end of period	15,607	3,907
Goodwill	3,907	3,907
Operating segments \| VMware
Goodwill [Roll Forward]
Balances at beginning of period	0	0
Goodwill recognized/acquired during period	15,070	0
Impact of foreign currency translation	0
Goodwill divested	0
Other adjustments	0	0
Balances at end of period	15,070	0
Goodwill	0	0
Operating segments \| Other businesses
Goodwill [Roll Forward]
Balances at beginning of period	71	71
Goodwill recognized/acquired during period	3,597	0
Impact of foreign currency translation	(32)
Goodwill divested	0
Other adjustments	360	0
Balances at end of period	3,996	71
Goodwill	$ 71	$ 71

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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