DISCONTINUED OPERATIONS - Narrative (Details) - USD ($) $ in Billions	Nov. 02, 2016	Oct. 31, 2016	Sep. 12, 2016	Jun. 19, 2016	Mar. 27, 2016
Dell Services | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration					$ 3.0
Dell Software Group | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration				$ 2.4
Dell EMC Enterprise Content Division | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration			$ 1.6
Subsequent Event | Dell Services | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration	$ 3.0
Pre-tax gain on sale	$ 1.5
Subsequent Event | Dell Software Group | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration		$ 2.4
Pre-tax gain on sale		$ 1.2