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Financial Instruments - Measured At Fair Value on Recurring Basis (Details) - USD ($) $ in Millions | Jan. 31, 2023 | Jan. 31, 2022
--- | --- | ---
Short-term |  |
Total | $ 1,264 | $ 805
Foreign Exchange Contract |  |
Short-term |  |
Derivative contract assets, fair value | 14 | 18
Derivative contract liabilities | (31) | (11)
Money market funds |  |
Cash equivalents |  |
Cash equivalents | 737 | 302
Commercial paper |  |
Cash equivalents |  |
Cash equivalents | 169 | 55
Commercial paper | Short-term |  |
Short-term |  |
Debt securities, fair value | 42 | 103
Certificates of deposit |  |
Cash equivalents |  |
Cash equivalents | 35 | 6
Certificates of deposit | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 14
U.S. government securities |  |
Cash equivalents |  |
Cash equivalents | 13 | 25
U.S. government securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 17 | 13
U.S. government securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 35 |
Other |  |
Cash equivalents |  |
Cash equivalents | 12 | 4
Short-term |  |
Debt securities, fair value |  | 4
Other | Short-term |  |
Short-term |  |
Debt securities, fair value | 3 | 4
Other | Long-term |  |
Short-term |  |
Debt securities, fair value | 9 | 1
Custody cash deposit |  |
Cash equivalents |  |
Cash equivalents |  | 18
Corporate debt securities |  |
Cash equivalents |  |
Cash equivalents |  | 18
Corporate debt securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 44 | 61
Corporate debt securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 45 | 44
Asset backed securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 19 | 26
Asset backed securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 13 |
Municipal bonds | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 11
Common Stock | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 4
Mutual funds |  |
Short-term |  |
Mutual funds | 86 | 89
Convertible debt securities |  |
Short-term |  |
Debt securities, fair value | 2 |
Mutual funds | 2 |
Level 1 |  |
Short-term |  |
Total | 827 | 413
Level 1 | Foreign Exchange Contract |  |
Short-term |  |
Derivative contract assets, fair value | 0 | 0
Derivative contract liabilities | 0 | 0
Level 1 | Money market funds |  |
Cash equivalents |  |
Cash equivalents | 737 | 302
Level 1 | Commercial paper |  |
Cash equivalents |  |
Cash equivalents | 0 | 0
Level 1 | Commercial paper | Short-term |  |
Short-term |  |
Debt securities, fair value | 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
Level 1 | U.S. government securities |  |
Cash equivalents |  |
Cash equivalents | 0 | 0
Level 1 | U.S. government securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 1 | U.S. government securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 0 |
Level 1 | Other |  |
Cash equivalents |  |
Cash equivalents | 4 | 0
Level 1 | Other | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 |
Level 1 | Other | Long-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 1 | Custody cash deposit |  |
Cash equivalents |  |
Cash equivalents |  | 18
Level 1 | Corporate debt securities |  |
Cash equivalents |  |
Cash equivalents |  | 0
Level 1 | Corporate debt securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 1 | Corporate debt securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 1 | Asset backed securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 1 | Asset backed securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 0 |
Level 1 | Municipal bonds | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 0
Level 1 | Common Stock | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 4
Level 1 | Mutual funds |  |
Short-term |  |
Mutual funds | 86 | 89
Level 1 | Convertible debt securities |  |
Short-term |  |
Mutual funds | 0 |
Level 2 |  |
Short-term |  |
Total | 435 | 392
Level 2 | Foreign Exchange Contract |  |
Short-term |  |
Derivative contract assets, fair value | 14 | 18
Derivative contract liabilities | (31) | (11)
Level 2 | Money market funds |  |
Cash equivalents |  |
Cash equivalents | 0 | 0
Level 2 | Commercial paper |  |
Cash equivalents |  |
Cash equivalents | 169 | 55
Level 2 | Commercial paper | Short-term |  |
Short-term |  |
Debt securities, fair value | 42 | 103
Level 2 | Certificates of deposit |  |
Cash equivalents |  |
Cash equivalents | 35 | 6
Level 2 | Certificates of deposit | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 14
Level 2 | U.S. government securities |  |
Cash equivalents |  |
Cash equivalents | 13 | 25
Level 2 | U.S. government securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 17 | 13
Level 2 | U.S. government securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 35 |
Level 2 | Other |  |
Cash equivalents |  |
Cash equivalents | 8 | 4
Level 2 | Other | Short-term |  |
Short-term |  |
Debt securities, fair value | 3 | 4
Level 2 | Other | Long-term |  |
Short-term |  |
Debt securities, fair value | 9 | 1
Level 2 | Custody cash deposit |  |
Cash equivalents |  |
Cash equivalents |  | 0
Level 2 | Corporate debt securities |  |
Cash equivalents |  |
Cash equivalents |  | 18
Level 2 | Corporate debt securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 44 | 61
Level 2 | Corporate debt securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 45 | 44
Level 2 | Asset backed securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 19 | 26
Level 2 | Asset backed securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 13 |
Level 2 | Municipal bonds | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 11
Level 2 | Common Stock | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 0
Level 2 | Mutual funds |  |
Short-term |  |
Mutual funds | 0 | 0
Level 2 | Convertible debt securities |  |
Short-term |  |
Mutual funds | 0 |
Level 3 |  |
Short-term |  |
Total | 2 | 0
Level 3 | Foreign Exchange Contract |  |
Short-term |  |
Derivative contract assets, fair value | 0 | 0
Derivative contract liabilities | 0 | 0
Level 3 | Money market funds |  |
Cash equivalents |  |
Cash equivalents | 0 | 0
Level 3 | Commercial paper |  |
Cash equivalents |  |
Cash equivalents | 0 | 0
Level 3 | Commercial paper | Short-term |  |
Short-term |  |
Debt securities, fair value | 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
Level 3 | U.S. government securities |  |
Cash equivalents |  |
Cash equivalents | 0 | 0
Level 3 | U.S. government securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 3 | U.S. government securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 0 |
Level 3 | Other |  |
Cash equivalents |  |
Cash equivalents | 0 | 0
Level 3 | Other | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 3 | Other | Long-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 3 | Custody cash deposit |  |
Cash equivalents |  |
Cash equivalents |  | 0
Level 3 | Corporate debt securities |  |
Cash equivalents |  |
Cash equivalents |  | 0
Level 3 | Corporate debt securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 3 | Corporate debt securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 3 | Asset backed securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 3 | Asset backed securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 0 |
Level 3 | Municipal bonds | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 0
Level 3 | Common Stock | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 0
Level 3 | Mutual funds |  |
Short-term |  |
Mutual funds | 0 | $ 0
Level 3 | Convertible debt securities |  |
Short-term |  |
Mutual funds | $ 2 |

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