Fair Value Measurements - Additional Information (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Aug. 01, 2026 |
Aug. 02, 2025 |
Aug. 01, 2026 |
Aug. 02, 2025 |
Jan. 31, 2026 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Purchases, sales, issuances, or settlements related to recurring level 3 measurements | $ 0 | $ 0 | $ 0 | $ 0 | |
| Short-term investments | 382,000,000 | 238,000,000 | 382,000,000 | 238,000,000 | $ 386,000,000 |
| Debt Securities, Available-for-sale, Unrealized Gain (Loss) | 0 | 0 | 0 | 0 | |
| Debt Securities, Available-for-Sale, Realized Gain (Loss) | 0 | 0 | 0 | 0 | |
| Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not Previously Recorded | $ 0 | $ 0 | $ 0 | $ 0 | |
| X | ||||||||||
- Definition Amount of expense for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), for which no credit loss was previously recorded. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of realized gain (loss) on 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
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| X | ||||||||||
- Definition Amount of unrealized gain (loss) on 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
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| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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