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Financial Instruments - Measured At Fair Value On A Recurring Basis (Details) - USD ($) $ in Millions | Apr. 30, 2022 | Jan. 31, 2022 | Jan. 31, 2021
--- | --- | --- | ---
Short-term |  |  |
Derivative contract assets, fair value | $ 2.0 |  |
Total | 954.0 |  | $ 805.0
Foreign Exchange Contract |  |  |
Short-term |  |  |
Derivative contract assets, fair value | 94.0 |  | 18.0
Derivative contract liabilities | (20.0) |  | (11.0)
Money market funds |  |  |
Cash equivalents |  |  |
Cash equivalents | 531.0 |  | 302.0
Commercial paper |  |  |
Cash equivalents |  |  |
Cash equivalents | 117.0 |  | 55.0
Commercial paper | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 6.0 |  | 103.0
U.S. government securities |  |  |
Cash equivalents |  |  |
Cash equivalents | 20.0 |  | 25.0
U.S. government securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 13.0
Custody cash deposit |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 18.0
Agency discount notes |  |  |
Cash equivalents |  |  |
Cash equivalents | 8.0 |  |
Asset backed securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 20.0 |  | 26.0
Corporate debt securities |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 18.0
Corporate debt securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 28.0 |  | 61.0
Corporate debt securities | Long-term |  |  |
Short-term |  |  |
Debt securities, fair value | 39.0 |  | 44.0
Certificates of deposit |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 6.0
Certificates of deposit | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 10.0 |  | 14.0
Municipal bonds | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 11.0
Other |  |  |
Cash equivalents |  |  |
Cash equivalents | 8.0 |  | 4.0
Other | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 3.0 |  | 4.0
Other | Long-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 1.0
Common stock | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 4.0
Mutual funds |  |  |
Short-term |  |  |
Mutual funds | 85.0 | $ 89.0 | 89.0
Convertible debt securities |  |  |
Short-term |  |  |
Debt securities, fair value | 3.0 |  |
Mutual funds | 3.0 |  |
Level 1 |  |  |
Short-term |  |  |
Derivative contract assets, fair value | 0.0 |  |
Total | 621.0 |  | 413.0
Level 1 | Foreign Exchange Contract |  |  |
Short-term |  |  |
Derivative contract assets, fair value | 0.0 |  | 0.0
Derivative contract liabilities | 0.0 |  | 0.0
Level 1 | Money market funds |  |  |
Cash equivalents |  |  |
Cash equivalents | 531.0 |  | 302.0
Level 1 | Commercial paper |  |  |
Cash equivalents |  |  |
Cash equivalents | 0.0 |  | 0.0
Level 1 | Commercial paper | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 1 | U.S. government securities |  |  |
Cash equivalents |  |  |
Cash equivalents | 0.0 |  | 0.0
Level 1 | U.S. government securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 0.0
Level 1 | Custody cash deposit |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 18.0
Level 1 | Agency discount notes |  |  |
Cash equivalents |  |  |
Cash equivalents | 0.0 |  |
Level 1 | Asset backed securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 1 | Corporate debt securities |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 0.0
Level 1 | Corporate debt securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 1 | Corporate debt securities | Long-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 1 | Certificates of deposit |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 0.0
Level 1 | Certificates of deposit | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 1 | Municipal bonds | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 0.0
Level 1 | Other |  |  |
Cash equivalents |  |  |
Cash equivalents | 3.0 |  | 0.0
Level 1 | Other | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 2.0 |  | 0.0
Level 1 | Other | Long-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 0.0
Level 1 | Common stock | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 4.0
Level 1 | Mutual funds |  |  |
Short-term |  |  |
Mutual funds | 85.0 |  | 89.0
Level 1 | Convertible debt securities |  |  |
Short-term |  |  |
Mutual funds | 0.0 |  |
Level 2 |  |  |
Short-term |  |  |
Derivative contract assets, fair value | 0.0 |  |
Total | 328.0 |  | 392.0
Level 2 | Foreign Exchange Contract |  |  |
Short-term |  |  |
Derivative contract assets, fair value | 94.0 |  | 18.0
Derivative contract liabilities | (20.0) |  | (11.0)
Level 2 | Money market funds |  |  |
Cash equivalents |  |  |
Cash equivalents | 0.0 |  | 0.0
Level 2 | Commercial paper |  |  |
Cash equivalents |  |  |
Cash equivalents | 117.0 |  | 55.0
Level 2 | Commercial paper | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 6.0 |  | 103.0
Level 2 | U.S. government securities |  |  |
Cash equivalents |  |  |
Cash equivalents | 20.0 |  | 25.0
Level 2 | U.S. government securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 13.0
Level 2 | Custody cash deposit |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 0.0
Level 2 | Agency discount notes |  |  |
Cash equivalents |  |  |
Cash equivalents | 8.0 |  |
Level 2 | Asset backed securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 20.0 |  | 26.0
Level 2 | Corporate debt securities |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 18.0
Level 2 | Corporate debt securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 28.0 |  | 61.0
Level 2 | Corporate debt securities | Long-term |  |  |
Short-term |  |  |
Debt securities, fair value | 39.0 |  | 44.0
Level 2 | Certificates of deposit |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 6.0
Level 2 | Certificates of deposit | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 10.0 |  | 14.0
Level 2 | Municipal bonds | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 11.0
Level 2 | Other |  |  |
Cash equivalents |  |  |
Cash equivalents | 5.0 |  | 4.0
Level 2 | Other | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 1.0 |  | 4.0
Level 2 | Other | Long-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 1.0
Level 2 | Common stock | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 0.0
Level 2 | Mutual funds |  |  |
Short-term |  |  |
Mutual funds | 0.0 |  | 0.0
Level 2 | Convertible debt securities |  |  |
Short-term |  |  |
Mutual funds | 0.0 |  |
Level 3 |  |  |
Short-term |  |  |
Derivative contract assets, fair value | 2.0 |  |
Total | 5.0 |  | 0.0
Level 3 | Foreign Exchange Contract |  |  |
Short-term |  |  |
Derivative contract assets, fair value | 0.0 |  | 0.0
Derivative contract liabilities | 0.0 |  | 0.0
Level 3 | Money market funds |  |  |
Cash equivalents |  |  |
Cash equivalents | 0.0 |  | 0.0
Level 3 | Commercial paper |  |  |
Cash equivalents |  |  |
Cash equivalents | 0.0 |  | 0.0
Level 3 | Commercial paper | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 3 | U.S. government securities |  |  |
Cash equivalents |  |  |
Cash equivalents | 0.0 |  | 0.0
Level 3 | U.S. government securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 0.0
Level 3 | Custody cash deposit |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 0.0
Level 3 | Agency discount notes |  |  |
Cash equivalents |  |  |
Cash equivalents | 0.0 |  |
Level 3 | Asset backed securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 3 | Corporate debt securities |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 0.0
Level 3 | Corporate debt securities | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 3 | Corporate debt securities | Long-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 3 | Certificates of deposit |  |  |
Cash equivalents |  |  |
Cash equivalents |  |  | 0.0
Level 3 | Certificates of deposit | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 3 | Municipal bonds | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 0.0
Level 3 | Other |  |  |
Cash equivalents |  |  |
Cash equivalents | 0.0 |  | 0.0
Level 3 | Other | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value | 0.0 |  | 0.0
Level 3 | Other | Long-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 0.0
Level 3 | Common stock | Short-term |  |  |
Short-term |  |  |
Debt securities, fair value |  |  | 0.0
Level 3 | Mutual funds |  |  |
Short-term |  |  |
Mutual funds | 0.0 |  | $ 0.0
Level 3 | Convertible debt securities |  |  |
Short-term |  |  |
Mutual funds | $ 3.0 |  |

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