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Fair Value Measurements (Tables) | 6 Months Ended
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Jan. 31, 2025
Fair Value Disclosures [Abstract] |
Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis | The following table summarizes financial assets and financial liabilities that we measured at fair value on a recurring basis at the dates indicated, classified in accordance with the fair value hierarchy described above.
| January 31, 2025 |  | July 31, 2024
(In millions) | Level 1 |  | Level 2 |  |  |  | Total Fair Value |  | Level 1 |  | Level 2 |  |  |  | Total Fair Value
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents, primarily money market funds | $ | 1,193 |  |  | $ | — |  |  |  |  | $ | 1,193 |  |  | $ | 2,538 |  |  | $ | — |  |  |  |  | $ | 2,538 |
Available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate notes | — |  |  | 159 |  |  |  |  | 159 |  |  | — |  |  | 456 |  |  |  |  | 456 |
U.S. agency securities | — |  |  | 15 |  |  |  |  | 15 |  |  | — |  |  | 159 |  |  |  |  | 159 |
Total available-for-sale debt securities | — |  |  | 174 |  |  |  |  | 174 |  |  | — |  |  | 615 |  |  |  |  | 615 |
Total assets measured at fair value on a recurring basis | $ | 1,193 |  |  | $ | 174 |  |  |  |  | $ | 1,367 |  |  | $ | 2,538 |  |  | $ | 615 |  |  |  |  | $ | 3,153 |
Schedule of Cash Equivalents and Available-for-sale Debt and Equity Securities | The following table summarizes our cash equivalents and available-for-sale debt securities by balance sheet classification and level in the fair value hierarchy at the dates indicated.
| January 31, 2025 |  | July 31, 2024
(In millions) | Level 1 |  | Level 2 |  |  |  | Total Fair Value |  | Level 1 |  | Level 2 |  |  |  | Total Fair Value
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
In cash and cash equivalents | $ | 1,171 |  |  | $ | — |  |  |  |  | $ | 1,171 |  |  | $ | 2,538 |  |  | $ | — |  |  |  |  | $ | 2,538 |
In funds receivable and amounts held for customers | 22 |  |  | — |  |  |  |  | 22 |  |  | — |  |  | — |  |  |  |  | — |
Total cash equivalents | $ | 1,193 |  |  | $ | — |  |  |  |  | $ | 1,193 |  |  | $ | 2,538 |  |  | $ | — |  |  |  |  | $ | 2,538 |
Available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
In investments | $ | — |  |  | $ | 24 |  |  |  |  | $ | 24 |  |  | $ | — |  |  | $ | 465 |  |  |  |  | $ | 465 |
In funds receivable and amounts held for customers | — |  |  | 150 |  |  |  |  | 150 |  |  | — |  |  | 150 |  |  |  |  | 150 |
Total available-for-sale debt securities | $ | — |  |  | $ | 174 |  |  |  |  | $ | 174 |  |  | $ | — |  |  | $ | 615 |  |  |  |  | $ | 615 |

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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