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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Award Vested By Year One

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Award Vested By Year Three

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Award Vested By Year Two

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- Definition

Share Based Compensation Arrangement By Share-Based Payment Award, Percentage Recipients Receive Based On Performance

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- Definition

Share Based Compensation Arrangement By Share-Based Payment Award, Term For Performance Measurement

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Subparagraph g(1)
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
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-Subparagraph (SAB TOPIC 14.F)
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-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section F

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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

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The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

+ References

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

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- Definition

Reductions in the entity's income taxes that arise when compensation cost (from non-qualified share-based compensation) recognized on the entity's tax return exceeds compensation cost from equity-based compensation recognized in financial statements. This element represents the cash inflow reported in the enterprise's financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph i
-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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-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 00-15
-Paragraph 3
-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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=6576910&loc=d3e11374-113907

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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-Name Accounting Standards Codification
-Topic 718
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 19
-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.

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Description of the period of time over 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, which may be expressed in a variety of ways (for example, in years, month and year).

+ References

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(2)(c)
-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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-Publisher FASB
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-Paragraph A240
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-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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

+ References

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Stock-Based Compensation (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended										12 Months Ended			12 Months Ended		0 Months Ended	12 Months Ended
	Jul. 31, 2011	Aug. 01, 2010	Aug. 02, 2009	Jul. 31, 2011 T.S.R. Performance Restricted Stock Units [Member] First Quarter Of 2011 [Member]	Jul. 31, 2011 T.S.R. Performance Restricted Stock Units [Member] First Quarter Of 2012 [Member] years	Jul. 31, 2011 T.S.R. Performance Restricted Stock Units [Member] Maximum [Member]	Jul. 31, 2011 Maximum [Member] E.P.S Performance Restricted Stock Units [Member]	Jul. 31, 2011 T.S.R. Performance Restricted Stock Units [Member] Minimum [Member]	Jul. 31, 2011 Minimum [Member] E.P.S Performance Restricted Stock Units [Member]	Nov. 01, 2003 2003 And Previous Long-Term Plan [Member]	Jul. 31, 2011 2003 Long-Term Incentive Plan [Member]	Nov. 01, 2003 2003 Long-Term Incentive Plan [Member]	Nov. 01, 2003 Previous Long-Term Plan [Member]	Jul. 31, 2011 2005 Long-Term Incentive Plan [Member]	Nov. 18, 2005 2005 Long-Term Incentive Plan [Member]	Jul. 01, 2011 Special Retention Time-Lapse Restricted Stock Units [Member]	Jul. 31, 2011 Time-Lapse Restricted Stock Units [Member]	Jul. 31, 2011 Time Lapse and E.P.S Performance Restricted Stock Units [Member]	Aug. 01, 2010 Time Lapse and E.P.S Performance Restricted Stock Units [Member]	Aug. 02, 2009 Time Lapse and E.P.S Performance Restricted Stock Units [Member]	Jul. 31, 2011 T.S.R. Performance Restricted Stock Units [Member]	Aug. 01, 2010 T.S.R. Performance Restricted Stock Units [Member]	Aug. 02, 2009 T.S.R. Performance Restricted Stock Units [Member]	Jul. 31, 2011 E.P.S Performance Restricted Stock Units [Member]
Shares authorized for issuance in incentive plans										31,200,000		28,000,000	3,200,000		6,000,000
Options, percent vested, year one											30.00%			30.00%
Options, percent vested, year two											60.00%			60.00%
Options, percent vested, year three											100.00%			100.00%
Award vesting period, in years																two	three				three			three
Percentage of performance-based grant potentially earned						225.00%	100.00%	0.00%	0.00%
Pre-tax share-based compensation expense	$ 87	$ 88	$ 84
Tax-related benefits	32	33	31
Total intrinsic value of options exercised	29	33	30
Remaining unearned compensation on nonvested awards																		46			53
Restricted stock units issued																400,000		1,585,000			1,255,000
Restricted stock units issued, grant date fair value																$ 34.65
Weighted-average remaining service period, years																		1.7			1.7
Fair value of restricted units and shares vested																		40	32	47	38	31	58
Weighted-average grant-date fair value of units granted																		$ 35.64	$ 32.25	$ 39.50	$ 43.18	$ 33.84	$ 47.20
Percentage recipients receive based on TSR performance				100.00%	0.00%
Term for TSR performance measurement, in years					3
Excess tax benefits on the exercise of stock options and vested restricted stock	11	11	18
Cash received from the exercise of stock options	$ 96	$ 139	$ 72