Debt - Schedule of Outstanding Debt (Details) - USD ($) $ in Millions |
Jul. 31, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Total principal amount | $ 3,000 | $ 3,000 |
| Less: unamortized debt discount and issuance costs | (11) | (13) |
| Net carrying amount | 2,989 | 2,987 |
| Less: debt, current | (999) | 0 |
| Debt, noncurrent | 1,990 | 2,987 |
| 2027 Notes | ||
| Debt Instrument [Line Items] | ||
| Total principal amount | 1,000 | 1,000 |
| 2029 Notes | ||
| Debt Instrument [Line Items] | ||
| Total principal amount | 750 | 750 |
| 2032 Notes | ||
| Debt Instrument [Line Items] | ||
| Total principal amount | $ 1,250 | $ 1,250 |
| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unamortized debt discount (premium) and debt issuance costs. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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