Financial Services, Financing Receivables Aging (Details 2) (USD $) In Millions, unless otherwise specified	Feb. 01, 2013	Feb. 03, 2012
Financing Receivable, Recorded Investment, Past Due
Current	$ 3,911	$ 4,063
1-90 Days Past due	376	382
Greater than 90 days past due	82	94
Customer receivables, gross	4,369	4,539
Revolving Loans
Financing Receivable, Recorded Investment, Past Due
Customer receivables, gross	1,834	2,096
Revolving Loans \| Dell Preferred Account (DPA)
Financing Receivable, Recorded Investment, Past Due
Current	1,322	1,521
1-90 Days Past due	163	195
Greater than 90 days past due	54	67
Customer receivables, gross	1,539	1,783
Revolving Loans \| Dell Business Credit (DBC)
Financing Receivable, Recorded Investment, Past Due
Current	264	272
1-90 Days Past due	25	33
Greater than 90 days past due	6	8
Customer receivables, gross	295	313
Fixed-term loans
Financing Receivable, Recorded Investment, Past Due
Customer receivables, gross	2,535	2,443
Fixed-term loans \| Consumer and Small Commercial
Financing Receivable, Recorded Investment, Past Due
Current	310	324
1-90 Days Past due	16	18
Greater than 90 days past due	1	5
Customer receivables, gross	327	347
Fixed-term loans \| Medium & Large Commerical
Financing Receivable, Recorded Investment, Past Due
Current	2,015	1,946
1-90 Days Past due	172	136
Greater than 90 days past due	21	14
Customer receivables, gross	$ 2,208	$ 2,096

Financing receivables that are less than or equal to ninety days past due

No definition available.

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- Definition

Financing receivables that are current.

+ References

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=7512638&loc=SL6953401-111524

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Financing receivables that are equal to or greater than 90 days past due.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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- Details

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 13

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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