The number of stock options which were assumed through acquisitions during the period.

No definition available.

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- Definition

The weighted-average exercise price per share of stock options which were assumed through acquisitions during the period.

+ References

No definition available.

+ Details

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph h

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The cash outflow paid by the company to cover an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

+ References

No definition available.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(2)

-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.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-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 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

+ Details

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Stock-Based Compensation and Benefits Plans, Stock-Based Compensation (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended				12 Months Ended
	Feb. 01, 2013	Nov. 02, 2012	Aug. 03, 2012	May 04, 2012	Feb. 01, 2013	Feb. 03, 2012	Jan. 28, 2011
Share-based Compensation Arrangement by Share-based Payment Award
Shares of Dell's common stock available for future grants under the Stock Plans	98,000,000				98,000,000	342,000,000	344,000,000
Stock Options Assumed In Acquisitions					21,000,000	6,000,000	0
Stock Options Assumed in Acquisitions, Weighted-average exercise price	$ 6.47				$ 6.47	$ 7.38
Cash dividends declared per common share	$ 0.08	$ 0.08	$ 0.00	$ 0.00	$ 0.16	$ 0.00	$ 0.00
Shares withheld to cover withholding tax requirements					930,000	426,000	354,000
Payments for employee's tax obligations to the taxing authorities					$ 16	$ 6	$ 5
Acquisitions
Share-based Compensation Arrangement by Share-based Payment Award
Shares of Dell's common stock available for future grants under the Stock Plans	0				0
Vesting Period					6 years
Expiration period of stock option agreements					ten
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Expiration period of stock option agreements					ten
Unrecognized stock-based compensation expense	83				83	114	65
Weighted-average period related to non-vested restricted stock awards					1 year 7 months 6 days	1 year 10 months 24 days	2 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Vesting Period					3 years
Performance Based Stock
Share-based Compensation Arrangement by Share-based Payment Award
Vesting Period					3 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized stock-based compensation expense	354				354	348	341
Weighted-average period related to non-vested restricted stock awards					1 year 9 months 18 days	1 year 9 months 18 days	1 year 10 months 24 days
Estimated vest date fair value of restricted stock awards vested					$ 297	$ 273	$ 250
Minimum \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Vesting Period					3 years
Maximum \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Vesting Period					5 years