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- Definition

In The Money Exercisable Stock Option Shares

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Number of stock incentive plans.

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- Definition

PRSU allocation between Financial operating goals and TSR (in percentage)

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- Definition

Reduction in number of shares available for issuance after amendment approved by shareholders.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Exercisable Percentage, one year from date of grant, Maximum

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- Definition

Share based compensation arrangement by share based payment award exercisable percentage, one year from date of grant, minimum.

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- Definition

Stock options and stock appreciation rights exercise price percentage of the fair market value of the underlying stock on the grant date

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Stock options ratable vesting schedule, nonstandard (in months)

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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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.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

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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.

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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

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

Percentage of vesting of share-based compensation awards.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Describes the measurement, allocation or disclosure that departs from GAAP but is necessary to explain or measure amounts available for dividends on stock referenced to the unit. This element applies when the targeted stock stipulates explicitly that the performance of the unit will be measured on the basis that departs from GAAP.

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Employee Benefit Plans (Additional Information) (Details) $ / shares in Units, $ in Billions	3 Months Ended
	Oct. 24, 2015 USD ($) Month $ / shares stock_incentive_plan shares	Oct. 23, 2015 $ / shares	Jul. 25, 2015 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock incentive plans \| stock_incentive_plan	4
Total compensation cost related to unvested share-based awards \| $	$ 2.3
Expected period of recognition of compensation cost, years	2 years 7 months 18 days
Closing stock price \| $ / shares		$ 29.35
In-the-money exercisable stock option shares	18,000,000
Number Exercisable, shares	81,000,000		102,000,000
Weighted- Average Exercise Price per Share \| $ / shares	$ 29.99		$ 29.02
Description of PRSU granted contingent on performance metrics	generally 50% of the PRSUs are earned based on the average of annual operating cash flow and earnings per share goals established at the beginning of each fiscal year over a three-year performance period. Generally, the remaining 50% of the PRSUs are earned based on the Company’s TSR measured against the benchmark TSR of a peer group over the same period.
2005 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance (in shares)	694,000,000
Exercise price as a percentage of market value for Options (in percentage)	100.00%
PRSU allocation between Financial operating goals and TSR	50.00%
2005 Plan \| Stock awards prior to November 12, 2009 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration date for stock options and stock appreciation rights (in years)	9 years
2005 Plan \| Stock awards subsequent to November 12, 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reduction in shares available for issuance pursuant to November 12, 2009 amendment (ratio)	1.5
2005 Plan \| Stock awards subsequent to November 12, 2009 [Member] \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration date for stock options and stock appreciation rights (in years)	10 years
2005 Plan \| Employee Stock Option \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	20.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	36 months
2005 Plan \| Employee Stock Option \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	25.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	48 months
2005 Plan \| Time based stock award \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	20.00%
2005 Plan \| Time based stock award \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	25.00%
2005 Plan \| Performance base and Market base RSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	3 years
2005 Plan \| PRSU based on financial performance metrics \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	0.00%
2005 Plan \| PRSU based on financial performance metrics \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	150.00%
2005 Plan \| PRSU based on TSR [Member] \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	0.00%
2005 Plan \| PRSU based on TSR [Member] \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	150.00%
2005 Plan \| Performance based RSU based on Financial or nonFinancial operating goal [Member] \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	6 months
2005 Plan \| Performance based RSU based on Financial or nonFinancial operating goal [Member] \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	3 years
2005 Plan \| PRSU based on nonfinancial operating goals \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	0.00%
2005 Plan \| PRSU based on nonfinancial operating goals \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Award Vesting Rights, Percentage	100.00%
1996 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance (in shares)	2,500,000,000
Termination of Stock Plan	Dec. 31, 2006
Exercise price as a percentage of market value for Options (in percentage)	100.00%
Expiration date for stock options and stock appreciation rights (in years)	9 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights	Certain other grants utilized a 60-month ratable vesting schedule. In addition, the Board of Directors, or other committees administering the 1996 Plan, had the discretion to use a different vesting schedule and did so from time to time.
Stock options ratable vesting schedule, nonstandard (in months) \| Month	60
1996 Plan \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage in which stock options and RSUs become exercisable for within one year from date of grant, minimum	20.00%
Percentage in which stock options and RSUs become exercisable for within one year from date of grant, maximum	25.00%
1996 Plan \| Employee Stock Option \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	36 months
1996 Plan \| Employee Stock Option \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	48 months