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Financial Instruments - Measured At Fair Value on Recurring Basis (Details) - USD ($) $ in Millions | Jul. 31, 2022 | Jan. 31, 2022
--- | --- | ---
Short-term |  |
Derivative contract assets, fair value | $ 2 |
Total | 974 | $ 805
Foreign Exchange Contract |  |
Short-term |  |
Derivative contract assets, fair value | 78 | 18
Derivative contract liabilities | (14) | (11)
Money market funds |  |
Cash equivalents |  |
Cash equivalents | 593 | 302
Commercial paper |  |
Cash equivalents |  |
Cash equivalents | 62 | 55
Commercial paper | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 103
U.S. government securities |  |
Cash equivalents |  |
Cash equivalents |  | 25
U.S. government securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 40 | 13
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 | 27 | 61
Corporate debt securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 35 | 44
Certificates of deposit |  |
Cash equivalents |  |
Cash equivalents | 24 | 6
Certificates of deposit | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 14
Asset-backed securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 7 | 26
Municipal bonds | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 11
Common stock | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 4
Other |  |
Cash equivalents |  |
Cash equivalents | 9 | 4
Other | Short-term |  |
Short-term |  |
Debt securities, fair value | 11 | 4
Other | Long-term |  |
Short-term |  |
Debt securities, fair value | 11 | 1
Mutual funds |  |
Short-term |  |
Mutual funds | 86 | 89
Convertible debt securities |  |
Short-term |  |
Debt securities, fair value | 3 |
Mutual funds | 3 |
Level 1 |  |
Short-term |  |
Derivative contract assets, fair value | 0 |
Total | 684 | 413
Level 1 | Foreign Exchange Contract |  |
Short-term |  |
Derivative contract assets, fair value | 0 | 0
Derivative contract liabilities |  | 0
Level 1 | Money market funds |  |
Cash equivalents |  |
Cash equivalents | 593 | 302
Level 1 | Commercial paper |  |
Cash equivalents |  |
Cash equivalents | 0 | 0
Level 1 | Commercial paper | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 0
Level 1 | U.S. government securities |  |
Cash equivalents |  |
Cash equivalents |  | 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
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 | 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 | Asset-backed securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 | 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 | Other |  |
Cash equivalents |  |
Cash equivalents | 3 | 0
Level 1 | Other | Short-term |  |
Short-term |  |
Debt securities, fair value | 2 | 0
Level 1 | Other | Long-term |  |
Short-term |  |
Debt securities, fair value | 0 | 0
Level 1 | Mutual funds |  |
Short-term |  |
Mutual funds | 86 | 89
Level 1 | Convertible debt securities |  |
Short-term |  |
Mutual funds | 0 |
Level 2 |  |
Short-term |  |
Derivative contract assets, fair value | 0 |
Total | 285 | 392
Level 2 | Foreign Exchange Contract |  |
Short-term |  |
Derivative contract assets, fair value | 78 | 18
Derivative contract liabilities | (14) | (11)
Level 2 | Money market funds |  |
Cash equivalents |  |
Cash equivalents | 0 | 0
Level 2 | Commercial paper |  |
Cash equivalents |  |
Cash equivalents | 62 | 55
Level 2 | Commercial paper | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 103
Level 2 | U.S. government securities |  |
Cash equivalents |  |
Cash equivalents |  | 25
Level 2 | U.S. government securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 40 | 13
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 | 27 | 61
Level 2 | Corporate debt securities | Long-term |  |
Short-term |  |
Debt securities, fair value | 35 | 44
Level 2 | Certificates of deposit |  |
Cash equivalents |  |
Cash equivalents | 24 | 6
Level 2 | Certificates of deposit | Short-term |  |
Short-term |  |
Debt securities, fair value |  | 14
Level 2 | Asset-backed securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 7 | 26
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 | Other |  |
Cash equivalents |  |
Cash equivalents | 6 | 4
Level 2 | Other | Short-term |  |
Short-term |  |
Debt securities, fair value | 9 | 4
Level 2 | Other | Long-term |  |
Short-term |  |
Debt securities, fair value | 11 | 1
Level 2 | Mutual funds |  |
Short-term |  |
Mutual funds | 0 | 0
Level 2 | Convertible debt securities |  |
Short-term |  |
Mutual funds | 0 |
Level 3 |  |
Short-term |  |
Derivative contract assets, fair value | 2 |
Total | 5 | 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
Level 3 | U.S. government securities |  |
Cash equivalents |  |
Cash equivalents |  | 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
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 | 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 | Asset-backed securities | Short-term |  |
Short-term |  |
Debt securities, fair value | 0 | 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 | 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 | Mutual funds |  |
Short-term |  |
Mutual funds | 0 | $ 0
Level 3 | Convertible debt securities |  |
Short-term |  |
Mutual funds | $ 3 |

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