FINANCIAL SERVICES - Aging Customer Financing Receivables, Gross, Including Accrued Interest (Details) - USD ($) $ in Millions	Aug. 04, 2017	Feb. 03, 2017
Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 5,332	$ 4,884
Total customer receivables, gross	6,284	5,539
Revolving \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total customer receivables, gross	899	1,009
Revolving \| Dell Preferred Account (DPA)
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total customer receivables, gross	720	808
Revolving \| Dell Preferred Account (DPA) \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	639	715
Total customer receivables, gross	720	808
Revolving \| Dell Business Credit (DBC)
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total customer receivables, gross	179	201
Revolving \| Dell Business Credit (DBC) \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	154	175
Total customer receivables, gross	179	201
Fixed-term \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total customer receivables, gross	5,385	4,530
Fixed-term \| Consumer and Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total customer receivables, gross	5,385	4,530
Fixed-term \| Consumer and Commercial \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	4,539	3,994
Total customer receivables, gross	5,385	4,530
Past Due 1 — 90 Days \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	865	594
Past Due 1 — 90 Days \| Revolving \| Dell Preferred Account (DPA) \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	58	66
Past Due 1 — 90 Days \| Revolving \| Dell Business Credit (DBC) \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	20	22
Past Due 1 — 90 Days \| Fixed-term \| Consumer and Commercial \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	787	506
Past Due 90 Days \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	87	61
Past Due 90 Days \| Revolving \| Dell Preferred Account (DPA) \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	23	27
Past Due 90 Days \| Revolving \| Dell Business Credit (DBC) \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	5	4
Past Due 90 Days \| Fixed-term \| Consumer and Commercial \| Customer receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	$ 59	$ 30

Financing receivables that are current.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524

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- Definition

Recorded Investment in financing receivables that are past due at the balance sheet date.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(3))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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