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Borrowing Arrangements (Tables) | 6 Months Ended
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Jul. 31, 2023
Debt Disclosure [Abstract] |
Schedule of Fair Value of Market Price | Based on the quoted market prices, the approximate fair value of the notes as of July 31, 2023, were as follows:
| Aggregate Principal Amount |  | Fair value
2015 Notes | $ | 300 |  |  | $ | 294 |
2017 Notes | 500 |  |  | 473 |
2020 Notes | 500 |  |  | 437 |
2021 Notes | 1,000 |  |  | 821 |
Schedule of Future Minimum Payments For Borrowings | The expected future principal payments for all borrowings as of July 31, 2023, were as follows (in millions):
Fiscal year ending |  |  |  |  |  |  |
2024 (remainder) | $ | — |  |  |  |  |  |  |
2025 | — |  |  |  |  |  |  |
2026 | 300 |  |  |  |  |  |  |
2027 | — |  |  |  |  |  |  |
2028 | 500 |  |  |  |  |  |  |
Thereafter | 1,500 |  |  |  |  |  |  |
Total principal outstanding | $ | 2,300 |  |  |  |  |  |  |

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