Cash Equivalents and Investments - Narrative (Details) - USD ($) $ in Millions |
Jul. 31, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Investments, Debt and Equity Securities [Abstract] | ||
| Interest receivable | $ 19 | $ 24 |
| Strategic investments without a readily determinable fair value | $ 45 | $ 33 |
| X | ||||||||||
- Definition Amount of investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|