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Investments (Tables) | 6 Months Ended
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Jul. 31, 2025
Investments, Debt and Equity Securities [Abstract] |
Summary of Debt Securities | As of July 31, 2025, debt securities consisted of the following (in millions):
| Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Aggregate Fair Value
U.S. treasury securities | $ | 2,050 |  |  | $ | 6 |  |  | $ | 0 |  |  | $ | 2,056 |
U.S. agency obligations | 537 |  |  | 1 |  |  | 0 |  |  | 538 |
Corporate bonds | 3,943 |  |  | 25 |  |  | (1) |  |  | 3,967 |
Commercial paper | 215 |  |  | 0 |  |  | 0 |  |  | 215 |
Asset-backed securities | 305 |  |  | 1 |  |  | 0 |  |  | 306 |
Other debt securities | 42 |  |  | 0 |  |  | 0 |  |  | 42 |
Total debt securities | $ | 7,092 |  |  | $ | 33 |  |  | $ | (1) |  |  | $ | 7,124 |
Included in Cash and cash equivalents | $ | 202 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 202 |
Included in Marketable securities | $ | 6,890 |  |  | $ | 33 |  |  | $ | (1) |  |  | $ | 6,922 |
As of January 31, 2025, debt securities consisted of the following (in millions):
| Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Aggregate Fair Value
U.S. treasury securities | $ | 2,069 |  |  | $ | 4 |  |  | $ | (1) |  |  | $ | 2,072 |
U.S. agency obligations | 634 |  |  | 2 |  |  | 0 |  |  | 636 |
Corporate bonds | 3,532 |  |  | 11 |  |  | (3) |  |  | 3,540 |
Commercial paper | 294 |  |  | 0 |  |  | 0 |  |  | 294 |
Asset-backed securities | 104 |  |  | 0 |  |  | 0 |  |  | 104 |
Other debt securities | 5 |  |  | 0 |  |  | 0 |  |  | 5 |
Total debt securities | $ | 6,638 |  |  | $ | 17 |  |  | $ | (4) |  |  | $ | 6,651 |
Included in Cash and cash equivalents | $ | 177 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 177 |
Included in Marketable securities | $ | 6,461 |  |  | $ | 17 |  |  | $ | (4) |  |  | $ | 6,474 |
Contractual Maturity of Debt Securities | The following table presents the fair values of debt securities as of July 31, 2025, by remaining contractual maturity (in millions). Actual maturities may differ from contractual maturities because borrowers may have certain prepayment conditions.
Due within 1 year | $ | 2,313 |
Due 1 year through 5 years | 4,650 |
Due 5 years through 10 years | 91 |
Due after 10 years | 70 |
Total debt securities | $ | 7,124 |
Equity Investments | Equity investments consisted of the following (in millions):
| Condensed Consolidated Balance Sheets Location |  | July 31, 2025 |  | January 31, 2025
Money market funds | Cash and cash equivalents |  | $ | 802 |  |  | $ | 988 |
Non-marketable equity investments measured using the measurement alternative | Other assets |  | 251 |  |  | 244 |
Total equity investments |  |  | $ | 1,053 |  |  | $ | 1,232 |
Carrying Values of Non-marketable Equity Investments | The carrying values for our non-marketable equity investments are summarized below (in millions):
| July 31, 2025 |  | January 31, 2025
Total initial cost | $ | 223 |  |  | $ | 217 |
Cumulative net unrealized gains (losses) | 28 |  |  | 27 |
Carrying value | $ | 251 |  |  | $ | 244 |

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