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Convertible Senior Notes, Net (Tables) | 12 Months Ended
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Jan. 31, 2025
Debt Disclosure [Abstract] |
Schedule of Debt | The net carrying amount of the 2025 Notes consisted of the following:
| As of January 31,
| 2025 |  | 2024
| (dollars in millions)
Principal | $ | 510 |  |  | $ | 552 |
Less: unamortized debt issuance costs | (1) |  |  | (3) |
Net carrying amount | $ | 509 |  |  | $ | 549 |
The net carrying amount of the 2026 Notes consisted of the following:
| As of January 31,
| 2025 |  | 2024
| (dollars in millions)
Principal | $ | 350 |  |  | $ | 608 |
Less: unamortized debt issuance costs | (1) |  |  | (3) |
Net carrying amount | $ | 349 |  |  | $ | 605 |
Schedule of Carrying Amounts and Estimated Fair Values of Convertible Note | The following table presents the principal amounts and estimated fair values of financial instruments that are not recorded at fair value on the consolidated balance sheets:
| As of January 31, 2025
| Principal Amount |  | Estimated Fair Value
| (dollars in millions)
2025 convertible senior notes | $ | 510 |  |  | $ | 494 |
2026 convertible senior notes | $ | 350 |  |  | $ | 329 |

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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