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

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- Definition

Share Based Payment Award Equity Instruments Other than Options Issued in Period

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No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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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.

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- Definition

Amount of cash outflow for 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.

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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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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.

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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).

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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).

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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.

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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.

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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.

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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.

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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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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.

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Percentage of vesting of share-based compensation awards.

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Stock-based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended				12 Months Ended
	Oct. 27, 2019	Oct. 28, 2018	Oct. 29, 2017	Oct. 30, 2016	Jul. 28, 2019	Jul. 29, 2018	Jul. 30, 2017
Stock-based Compensation
Excess Tax Benefit/(Deficiency) from Share-based Compensation, Operating Activities					$ (6)	$ (3)	$ 6
Cash received from the exercise of stock options					0	0	$ 2
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value					$ 0	$ 0
EPS Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					3 years
Nonvested, Units					66
Nonvested, Weighted-Average Grant-Date Fair Value					$ 49.10
Strategic Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					3 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage				35.00%
FCF Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					3 years
Nonvested, Units					113
Nonvested, Weighted-Average Grant-Date Fair Value					$ 37.62
Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other than Options Issued in Period					388
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period					129
Time Lapse Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					3 years
Employee Stock Option [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					3 years
Share Based Compensation Arrangement Share Based Payment Award Vested Options Contractual Exercise Term					10 years
Remaining unearned compensation on nonvested awards					$ 2
Weighted-average remaining service period, years					2 years 3 months
Time Lapse, EPS Performance, FCF Performance And Strategic Performance Restricted Stock Units [Member]
Stock-based Compensation
Remaining unearned compensation on nonvested awards					$ 35
Weighted-average remaining service period, years					1 year 8 months
Nonvested, Units					1,960	1,652
Nonvested, Weighted-Average Grant-Date Fair Value					$ 40.57	$ 47.01
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period					1,340
Granted, Weighted-Average Grant-Date Fair Value					$ 36.51	$ 44.18	$ 54.79
Fair value of restricted units and shares vested					$ 26	$ 30	$ 55
TSR Performance Restricted Stock/Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					3 years
Remaining unearned compensation on nonvested awards					$ 14
Weighted-average remaining service period, years					1 year 7 months
Nonvested, Units					1,308	1,664
Nonvested, Weighted-Average Grant-Date Fair Value					$ 37.33	$ 46.66
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		0.00%	125.00%	75.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period					388
Granted, Weighted-Average Grant-Date Fair Value					$ 31.29	$ 39.39	$ 39.53
Fair value of restricted units and shares vested						$ 38	$ 14
T S R Performance Restricted Stock Units Additional Shares [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period			160
Minimum [Member] \| EPS Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					0.00%
Minimum [Member] \| Strategic Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					0.00%
Minimum [Member] \| FCF Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					0.00%
Minimum [Member] \| TSR Performance Restricted Stock/Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					0.00%
Maximum [Member] \| EPS Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					100.00%
Maximum [Member] \| Strategic Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					200.00%
Maximum [Member] \| FCF Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					200.00%
Maximum [Member] \| TSR Performance Restricted Stock/Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					200.00%
2003 And Previous Long-Term Incentive 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, Total Shares Authorized, as Amended In 2008 [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					10,500
2005 Long Term Incentive Plan, Total Shares Authorized, as Amended in 2010 [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					17,500
2015 Long-Term Incentive Plan [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					13,000
2005 Long-Term Incentive Plan Rolled into the 2015 Long-Term Incentive Plan
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					6,000
Financial [Member] \| Special Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage				0.00%
Milestones [Member] \| Special Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage				100.00%
Scenario, Forecast [Member] \| TSR Performance Restricted Stock/Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	0.00%