Equity Award Plans (RSU, PSU and PSO Activities, Additional Information) (Details) shares in Millions	3 Months Ended
Oct. 31, 2024 shares
RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Granted (in shares)	0.4
RSUs \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting period	3 years
RSUs \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting period	4 years
PSUs
Share-based Compensation Arrangement by Share-based Payment Award
Granted (in shares)	1.6
PSUs \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting period	1 year
PSUs \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting period	4 years
PSUs subject to service, performance, and market conditions
Share-based Compensation Arrangement by Share-based Payment Award
Granted (in shares)	1.6
Approved for future grant (in shares)	1.3
PSUs subject to service, performance, and market conditions \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Service period	1 year
PSUs subject to service, performance, and market conditions \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Service period	3 years
PSOs \| Maximum \| Fiscal Year 2018
Share-based Compensation Arrangement by Share-based Payment Award
Service period	7 years 6 months
PSOs \| Maximum \| Fiscal Year 2019
Share-based Compensation Arrangement by Share-based Payment Award
Service period	7 years 6 months

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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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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).

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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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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.

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