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v3.25.2

Debt - Senior Notes and Credit Agreement (Details) - USD ($) | 6 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2025 | Jan. 31, 2025 | Jan. 31, 2023
Debt Instrument [Line Items] |  |  |
Less: unamortized debt discount and issuance costs | $ (15,000,000) | $ (16,000,000) |
Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Principal |  |  | $ 3,000,000,000
Less: unamortized debt discount and issuance costs |  |  | (27,000,000)
Fair value of Senior Notes | $ 2,900,000,000 | 2,800,000,000 |
2027 Notes | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Principal |  |  | $ 1,000,000,000
Contractual interest rate |  |  | 3.50%
Effective interest rate | 3.67% |  |
2029 Notes | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Principal |  |  | $ 750,000,000
Contractual interest rate |  |  | 3.70%
Effective interest rate | 3.82% |  |
2032 Notes | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Principal |  |  | $ 1,250,000,000
Contractual interest rate |  |  | 3.80%
Effective interest rate | 3.90% |  |
2022 Credit Agreement | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Maximum borrowing capacity |  |  | $ 1,000,000,000
Long-term line of credit | $ 0 | $ 0 |
Debt instrument, maximum leverage ratio | 3.50 |  |
Debt instrument, maximum leverage ratio step up | 4.50 |  |
Base Rate | Minimum | 2022 Credit Agreement | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 0.00% |  |
Base Rate | Maximum | 2022 Credit Agreement | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 0.50% |  |
Secured Overnight Financing Rate (SOFR) | 2022 Credit Agreement | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 0.10% |  |
Secured Overnight Financing Rate (SOFR) | Minimum | 2022 Credit Agreement | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 0.75% |  |
Secured Overnight Financing Rate (SOFR) | Maximum | 2022 Credit Agreement | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 1.50% |  |

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