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Cash Equivalents and Investments | 9 Months Ended
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Oct. 31, 2025
Investments, Debt and Equity Securities [Abstract] |
Cash Equivalents and Investments | Cash Equivalents and Investments Cash Equivalents and Short-term Investments In estimating fair value, the Company uses a three-tier fair value hierarchy as follows: •Level 1 — Valuations based on observable inputs that reflect quoted prices for identical assets or liabilities in active markets. •Level 2 — Valuations based on other inputs that are directly or indirectly observable in the marketplace. •Level 3 — Valuations based on unobservable inputs that are supported by little or no market activity. The following tables present the estimated fair value of cash equivalents and short-term investments:
| As of October 31, 2025 |  | As of January 31, 2025
| (dollars in millions)
Cash equivalents: |  |  |
Money market funds (Level 1) | $ | 422 |  |  | $ | 225 |
Certificates of deposit (Level 2) | — |  |  | 23 |
Total cash equivalents | 422 |  |  | 248 |
Level 2: |  |  |
Short-term investments (Available-for-sale): |  |  |
U.S. treasury securities | 1,517 |  |  | 1,788 |
Corporate debt securities | 239 |  |  | 281 |
Certificates of deposit | 62 |  |  | 45 |
Total short-term investments | 1,818 |  |  | 2,114 |
Total | $ | 2,240 |  |  | $ | 2,362 |
The following table presents the contractual maturities of the Company’s short-term investments:
| As of October 31, 2025 |  |
| Estimated Fair Value |  |  |  |
| (dollars in millions) |  |  |  |
Due within one year | $ | 1,511 |  |  |  |  |
Due between one to five years | 307 |  |  |  |  |
Total | $ | 1,818 |  |  |  |  |
Interest receivable of $22 million and $24 million is included in Prepaid expenses and other current assets on the condensed consolidated balance sheets as of October 31, 2025 and January 31, 2025, respectively. There were no material differences between the estimated fair value and amortized cost of our cash equivalents and short-term investments as of October 31, 2025 and January 31, 2025. For available-for-sale debt securities that have unrealized losses, there were no material credit or non-credit related impairments for short-term investments as of October 31, 2025 and January 31, 2025. Strategic Investments Strategic investments primarily include equity investments in privately-held companies, which do not have a readily determinable fair value. Strategic investments are classified as Level 3 in the fair value hierarchy as nonrecurring fair value measurements may include observable and unobservable inputs. As of October 31, 2025 and January 31, 2025, the balance of strategic investments was $32 million and $30 million, respectively.

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- Definition The entire disclosure of cash, cash equivalent, and short-term investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/320/tableOfContent + Details
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