Defined Benefit Plan Maximum Contributions By Plan Participants.

No definition available.

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- Definition

Defined benefit plan voluntary contributions by plan participants.

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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Stock-Based Compensation and Benefits Plans, Benefit Plan (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 03, 2012	Jan. 28, 2011	Jan. 29, 2010
Defined Benefit Plan Disclosure
Percentage of each participant's voluntary contributions matched by company	100.00%
Percentage of maximum contribution of participant's compensation	5.00%
Value of assets held by the deferred compensation plan trust	$ 105
Dell 401K
Defined Benefit Plan Disclosure
Company 401k contributions	153	132	91
Perot Systems 401K Plan
Defined Benefit Plan Disclosure
Company 401k contributions			$ 4