Potential percentage of grant under performance plan

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Percentage Recipients Received Based On Performance

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement Share Based Payment Award Options Vested Contractual Exercise Term

+ References

No definition available.

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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 S99
-Paragraph 1
-Subparagraph (SAB TOPIC 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section F

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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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 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

Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=32706628&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
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (j)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

Reference 3: 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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- 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 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

+ Details

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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

+ Details

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

+ Details

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ 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

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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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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Stock-based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		12 Months Ended
	Nov. 01, 2015	Oct. 27, 2013	Aug. 02, 2015	Aug. 03, 2014	Jul. 28, 2013	Jul. 29, 2012
Stock-based Compensation
Share Based Compensation Arrangement Share Based Payment Award Vested Options Contractual Exercise Term			10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Total Award Vested By Year One			30.00%
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Total Award Vested By Year Two			60.00%
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Total Award Vested By Year Three			100.00%
Pre-tax stock-based compensation expense			$ 57	$ 56	$ 109
Tax-related benefits			$ 21	$ 21	$ 42
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			0	0	0
Total intrinsic value of options exercised			$ 5	$ 12	$ 36
Excess tax benefits on stock-based compensation			6	13	12
Cash received from the exercise of stock options			$ 9	$ 18	$ 83
EPS Performance Restricted Stock Units [Member]
Stock-based Compensation
Nonvested, Units			246
Nonvested, Weighted-Average Grant-Date Fair Value			$ 40.69
Strategic Performance Restricted Stock Units [Member]
Stock-based Compensation
Nonvested, Units			360
Nonvested, Weighted-Average Grant-Date Fair Value			$ 41.21
Special Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			2 years
Nonvested, Units			184
Nonvested, Weighted-Average Grant-Date Fair Value			$ 42.22
Time Lapse E P S And Strategic Performance Restricted Stock Units [Member]
Stock-based Compensation
Nonvested, Units			2,410	2,994
Nonvested, Weighted-Average Grant-Date Fair Value			$ 41.40	$ 37.69
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period			1,183
Granted, Weighted-Average Grant-Date Fair Value			$ 43.00	$ 39.97	$ 35.44
Remaining unearned compensation on nonvested awards			$ 32
Weighted-average remaining service period, years			1 year 7 months
Fair value of restricted units and shares vested			$ 56	$ 106	$ 57
TSR Performance Restricted Stock/Units [Member]
Stock-based Compensation
Nonvested, Units			1,579	861
Nonvested, Weighted-Average Grant-Date Fair Value			$ 40.75	$ 38.15
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period			874			0
Granted, Weighted-Average Grant-Date Fair Value			$ 43.39	$ 36.26	$ 39.76
Remaining unearned compensation on nonvested awards			$ 26
Weighted-average remaining service period, years			1 year 11 months
Percentage recipients received based on performance		0.00%
Discontinued Operations [Member]
Stock-based Compensation
Pre-tax stock-based compensation expense				$ 1	$ 4
Minimum [Member] \| EPS Performance Restricted Stock Units [Member]
Stock-based Compensation
Potential Percentage Of Grant Under Performance Plan			0.00%
Minimum [Member] \| Strategic Performance Restricted Stock Units [Member]
Stock-based Compensation
Potential Percentage Of Grant Under Performance Plan			0.00%
Minimum [Member] \| Special Performance Restricted Stock Units [Member]
Stock-based Compensation
Potential Percentage Of Grant Under Performance Plan			0.00%
Minimum [Member] \| TSR Performance Restricted Stock/Units [Member]
Stock-based Compensation
Potential Percentage Of Grant Under Performance Plan			0.00%
Maximum [Member] \| EPS Performance Restricted Stock Units [Member]
Stock-based Compensation
Potential Percentage Of Grant Under Performance Plan			100.00%
Maximum [Member] \| Strategic Performance Restricted Stock Units [Member]
Stock-based Compensation
Potential Percentage Of Grant Under Performance Plan			200.00%
Maximum [Member] \| Special Performance Restricted Stock Units [Member]
Stock-based Compensation
Potential Percentage Of Grant Under Performance Plan			150.00%
Maximum [Member] \| TSR Performance Restricted Stock/Units [Member]
Stock-based Compensation
Potential Percentage Of Grant Under Performance Plan			225.00%
2003 And Previous Long-Term Plan [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			31,200
2005 Long Term Incentive Plan [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			6,000
2005 Long Term Incentive Plan [Member] \| Two Thousand Eight [Domain]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			11,000
2005 Long Term Incentive Plan [Member] \| Two Thousand Ten [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			17,500
Subsequent Event [Member] \| TSR Performance Restricted Stock/Units [Member]
Stock-based Compensation
Percentage recipients received based on performance	100.00%