GOODWILL AND INTANGIBLE ASSETS - Goodwill Roll Forward (Details) - USD ($) $ in Millions	9 Months Ended
Oct. 28, 2016	Sep. 07, 2016
Goodwill [Roll Forward]
Balances at beginning of period	$ 8,406
Goodwill acquired (b)	31,275
Impact of foreign currency translation	(180)
Goodwill reclassified as held for sale (c)	(661)
Other adjustments (d)	0
Balances at end of period	38,840
Goodwill	8,406
EMC
Goodwill [Roll Forward]
Goodwill		$ 31,275
Operating Segments \| Client Solutions Group
Goodwill [Roll Forward]
Balances at beginning of period	4,428
Goodwill acquired (b)	0
Impact of foreign currency translation	0
Goodwill reclassified as held for sale (c)	0
Other adjustments (d)	(191)
Balances at end of period	4,237
Goodwill	4,428
Operating Segments \| Infrastructure Solutions Group
Goodwill [Roll Forward]
Balances at beginning of period	3,907
Goodwill acquired (b)	12,561
Impact of foreign currency translation	(137)
Goodwill reclassified as held for sale (c)	(661)
Other adjustments (d)	(169)
Balances at end of period	15,501
Goodwill	3,907
Operating Segments \| VMware
Goodwill [Roll Forward]
Balances at beginning of period	0
Goodwill acquired (b)	15,117
Impact of foreign currency translation	0
Goodwill reclassified as held for sale (c)	0
Other adjustments (d)	0
Balances at end of period	15,117
Goodwill	0
Other Businesses
Goodwill [Roll Forward]
Balances at beginning of period	71
Goodwill acquired (b)	3,597
Impact of foreign currency translation	(43)
Goodwill reclassified as held for sale (c)	0
Other adjustments (d)	360
Balances at end of period	3,985
Goodwill	$ 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 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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