Financial Instruments - Measured At Fair Value on Recurring Basis (Details) - USD ($) $ in Millions | Jul. 31, 2023 | Jan. 31, 2023 |
Long-term | | |
Derivative contract liabilities | $ (11) | $ (31) |
Total | 1,504 | 1,264 |
Derivative contract assets | | |
Long-term | | |
Derivative contract assets, fair value | 12 | 14 |
Commercial paper | | |
Short-term | | |
Marketable securities, short-term | 179 | 42 |
Corporate debt securities | | |
Short-term | | |
Marketable securities, short-term | 63 | 44 |
Long-term | | |
Marketable securities, long-term | 104 | 45 |
U.S. government securities | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 44 | |
Short-term | | |
Marketable securities, short-term | 61 | 17 |
Long-term | | |
Marketable securities, long-term | 29 | 35 |
Asset-backed securities | | |
Short-term | | |
Marketable securities, short-term | 29 | 19 |
Long-term | | |
Marketable securities, long-term | 47 | 13 |
Municipal bonds | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 11 | |
Other | | |
Short-term | | |
Marketable securities, short-term | 27 | 3 |
Long-term | | |
Marketable securities, long-term | 13 | 9 |
Agency mortgage backed securities | | |
Long-term | | |
Marketable securities, long-term | 26 | |
Mutual funds | | |
Long-term | | |
Long-term other assets, fair value | 97 | 86 |
Convertible debt securities | | |
Long-term | | |
Long-term other assets, fair value | | 2 |
Money market funds | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 499 | 737 |
Commercial paper | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 194 | 169 |
Certificates of deposit | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 75 | 35 |
U.S. government securities | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 44 | 13 |
Other | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 5 | 12 |
Level 1 | | |
Long-term | | |
Derivative contract liabilities | 0 | 0 |
Total | 596 | 827 |
Level 1 | Derivative contract assets | | |
Long-term | | |
Derivative contract assets, fair value | 0 | 0 |
Level 1 | Commercial paper | | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Level 1 | Corporate debt securities | | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Long-term | | |
Marketable securities, long-term | 0 | 0 |
Level 1 | U.S. government securities | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Long-term | | |
Marketable securities, long-term | 0 | 0 |
Level 1 | Asset-backed securities | | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Long-term | | |
Marketable securities, long-term | 0 | 0 |
Level 1 | Municipal bonds | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | |
Level 1 | Other | | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Long-term | | |
Marketable securities, long-term | 0 | 0 |
Level 1 | Agency mortgage backed securities | | |
Long-term | | |
Marketable securities, long-term | 0 | |
Level 1 | Mutual funds | | |
Long-term | | |
Long-term other assets, fair value | 97 | 86 |
Level 1 | Convertible debt securities | | |
Long-term | | |
Long-term other assets, fair value | | 0 |
Level 1 | Money market funds | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 499 | 737 |
Level 1 | Commercial paper | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | 0 |
Level 1 | Certificates of deposit | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | 0 |
Level 1 | U.S. government securities | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | | 0 |
Level 1 | Other | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | 4 |
Level 2 | | |
Long-term | | |
Derivative contract liabilities | (11) | (31) |
Total | 908 | 435 |
Level 2 | Derivative contract assets | | |
Long-term | | |
Derivative contract assets, fair value | 12 | 14 |
Level 2 | Commercial paper | | |
Short-term | | |
Marketable securities, short-term | 179 | 42 |
Level 2 | Corporate debt securities | | |
Short-term | | |
Marketable securities, short-term | 63 | 44 |
Long-term | | |
Marketable securities, long-term | 104 | 45 |
Level 2 | U.S. government securities | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 44 | |
Short-term | | |
Marketable securities, short-term | 61 | 17 |
Long-term | | |
Marketable securities, long-term | 29 | 35 |
Level 2 | Asset-backed securities | | |
Short-term | | |
Marketable securities, short-term | 29 | 19 |
Long-term | | |
Marketable securities, long-term | 47 | 13 |
Level 2 | Municipal bonds | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 11 | |
Level 2 | Other | | |
Short-term | | |
Marketable securities, short-term | 27 | 3 |
Long-term | | |
Marketable securities, long-term | 13 | 9 |
Level 2 | Agency mortgage backed securities | | |
Long-term | | |
Marketable securities, long-term | 26 | |
Level 2 | Mutual funds | | |
Long-term | | |
Long-term other assets, fair value | 0 | 0 |
Level 2 | Convertible debt securities | | |
Long-term | | |
Long-term other assets, fair value | | 0 |
Level 2 | Money market funds | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | 0 |
Level 2 | Commercial paper | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 194 | 169 |
Level 2 | Certificates of deposit | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 75 | 35 |
Level 2 | U.S. government securities | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | | 13 |
Level 2 | Other | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 5 | 8 |
Level 3 | | |
Long-term | | |
Derivative contract liabilities | 0 | 0 |
Total | 0 | 2 |
Level 3 | Derivative contract assets | | |
Long-term | | |
Derivative contract assets, fair value | 0 | 0 |
Level 3 | Commercial paper | | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Level 3 | Corporate debt securities | | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Long-term | | |
Marketable securities, long-term | 0 | 0 |
Level 3 | U.S. government securities | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Long-term | | |
Marketable securities, long-term | 0 | 0 |
Level 3 | Asset-backed securities | | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Long-term | | |
Marketable securities, long-term | 0 | 0 |
Level 3 | Municipal bonds | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | |
Level 3 | Other | | |
Short-term | | |
Marketable securities, short-term | 0 | 0 |
Long-term | | |
Marketable securities, long-term | 0 | 0 |
Level 3 | Agency mortgage backed securities | | |
Long-term | | |
Marketable securities, long-term | 0 | |
Level 3 | Mutual funds | | |
Long-term | | |
Long-term other assets, fair value | 0 | 0 |
Level 3 | Convertible debt securities | | |
Long-term | | |
Long-term other assets, fair value | | 2 |
Level 3 | Money market funds | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | 0 |
Level 3 | Commercial paper | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | 0 |
Level 3 | Certificates of deposit | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | 0 | 0 |
Level 3 | U.S. government securities | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | | 0 |
Level 3 | Other | | |
Cash equivalents | | |
Cash Equivalents, Fair Value | $ 0 | $ 0 |