Cash and Cash Equivalents, Investments, and Funds Receivable and Amounts Held for Customers - Table of available-for-sale debt securities classified by maturity date (Details) - USD ($) $ in Millions |
Jul. 31, 2026 |
Jul. 31, 2025 |
|---|---|---|
| Amortized Cost | ||
| Due within one year | $ 2,519 | $ 1,694 |
| Due within two years | 65 | 62 |
| Due within three years | 62 | 61 |
| Total available-for-sale debt securities | 2,646 | 1,817 |
| Fair Value | ||
| Due within one year | 2,519 | 1,694 |
| Due within two years | 65 | 63 |
| Due within three years | 61 | 61 |
| Total available-for-sale debt securities | $ 2,645 | $ 1,818 |
| X | ||||||||||
- Definition Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year Three No definition available.
|
| X | ||||||||||
- Definition Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year Two No definition available.
|
| X | ||||||||||
- Definition Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year Three No definition available.
|
| X | ||||||||||
- Definition Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year Two No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amortized cost excluding accrued interest, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|