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Financial Instruments - Schedule of Measured At Fair Value on Recurring Basis (Details) - USD ($) $ in Millions | Jul. 31, 2024 | Jan. 31, 2024
--- | --- | ---
Long-term |  |
Derivative contract liabilities | $ (10) | $ (15)
Total | 1,517 | 1,815
Derivative contract assets |  |
Long-term |  |
Derivative contract assets, fair value | 12 | 21
Commercial paper |  |
Short-term |  |
Fair Value | 188 | 159
Agency bonds |  |
Long-term |  |
Fair Value |  | 36
U.S. government securities |  |
Cash equivalents: |  |
Fair Value | 18 |
Short-term |  |
Fair Value | 45 | 70
Long-term |  |
Fair Value | 24 | 24
Corporate debt securities |  |
Short-term |  |
Fair Value | 93 | 75
Long-term |  |
Fair Value | 93 | 104
Asset-backed securities |  |
Short-term |  |
Fair Value | 26 | 28
Long-term |  |
Fair Value | 62 | 59
Agency mortgage-backed securities |  |
Long-term |  |
Fair Value | 42 | 36
Other |  |
Short-term |  |
Fair Value | 13 | 22
Long-term |  |
Fair Value | 10 | 11
Mutual funds |  |
Long-term |  |
Long-term other assets, fair value | 116 | 100
Money market funds |  |
Cash equivalents: |  |
Fair Value | 456 | 693
Commercial paper |  |
Cash equivalents: |  |
Fair Value | 242 | 250
Certificates of deposit |  |
Cash equivalents: |  |
Fair Value | 77 | 80
Other |  |
Cash equivalents: |  |
Fair Value | 10 | 6
U.S. government securities |  |
Cash equivalents: |  |
Fair Value | 18 | 92
Level 1 |  |
Long-term |  |
Derivative contract liabilities | 0 | 0
Total | 572 | 793
Level 1 | Derivative contract assets |  |
Long-term |  |
Derivative contract assets, fair value | 0 | 0
Level 1 | Commercial paper |  |
Short-term |  |
Fair Value | 0 | 0
Level 1 | Agency bonds |  |
Long-term |  |
Fair Value |  | 0
Level 1 | U.S. government securities |  |
Cash equivalents: |  |
Fair Value | 0 |
Short-term |  |
Fair Value | 0 | 0
Long-term |  |
Fair Value | 0 | 0
Level 1 | Corporate debt securities |  |
Short-term |  |
Fair Value | 0 | 0
Long-term |  |
Fair Value | 0 | 0
Level 1 | Asset-backed securities |  |
Short-term |  |
Fair Value | 0 | 0
Long-term |  |
Fair Value | 0 | 0
Level 1 | Agency mortgage-backed securities |  |
Long-term |  |
Fair Value | 0 |
Level 1 | Other |  |
Short-term |  |
Fair Value | 0 | 0
Long-term |  |
Fair Value | 0 | 0
Level 1 | Mutual funds |  |
Long-term |  |
Long-term other assets, fair value | 116 | 100
Level 1 | Money market funds |  |
Cash equivalents: |  |
Fair Value | 456 | 693
Level 1 | Commercial paper |  |
Cash equivalents: |  |
Fair Value | 0 | 0
Level 1 | Certificates of deposit |  |
Cash equivalents: |  |
Fair Value | 0 | 0
Level 1 | Other |  |
Cash equivalents: |  |
Fair Value | 0 | 0
Level 1 | U.S. government securities |  |
Cash equivalents: |  |
Fair Value |  | 0
Level 2 |  |
Long-term |  |
Derivative contract liabilities | (10) | (15)
Total | 945 | 1,022
Level 2 | Derivative contract assets |  |
Long-term |  |
Derivative contract assets, fair value | 12 | 21
Level 2 | Commercial paper |  |
Short-term |  |
Fair Value | 188 | 159
Level 2 | Agency bonds |  |
Long-term |  |
Fair Value |  | 36
Level 2 | U.S. government securities |  |
Cash equivalents: |  |
Fair Value | 18 |
Short-term |  |
Fair Value | 45 | 70
Long-term |  |
Fair Value | 24 | 24
Level 2 | Corporate debt securities |  |
Short-term |  |
Fair Value | 93 | 75
Long-term |  |
Fair Value | 93 | 104
Level 2 | Asset-backed securities |  |
Short-term |  |
Fair Value | 26 | 28
Long-term |  |
Fair Value | 62 | 59
Level 2 | Agency mortgage-backed securities |  |
Long-term |  |
Fair Value | 42 |
Level 2 | Other |  |
Short-term |  |
Fair Value | 13 | 22
Long-term |  |
Fair Value | 10 | 11
Level 2 | Mutual funds |  |
Long-term |  |
Long-term other assets, fair value | 0 | 0
Level 2 | Money market funds |  |
Cash equivalents: |  |
Fair Value | 0 | 0
Level 2 | Commercial paper |  |
Cash equivalents: |  |
Fair Value | 242 | 250
Level 2 | Certificates of deposit |  |
Cash equivalents: |  |
Fair Value | 77 | 80
Level 2 | Other |  |
Cash equivalents: |  |
Fair Value | 10 | 6
Level 2 | U.S. government securities |  |
Cash equivalents: |  |
Fair Value |  | 92
Level 3 |  |
Long-term |  |
Derivative contract liabilities | 0 | 0
Total | 0 | 0
Level 3 | Derivative contract assets |  |
Long-term |  |
Derivative contract assets, fair value | 0 | 0
Level 3 | Commercial paper |  |
Short-term |  |
Fair Value | 0 | 0
Level 3 | Agency bonds |  |
Long-term |  |
Fair Value |  | 0
Level 3 | U.S. government securities |  |
Cash equivalents: |  |
Fair Value | 0 |
Short-term |  |
Fair Value | 0 | 0
Long-term |  |
Fair Value | 0 | 0
Level 3 | Corporate debt securities |  |
Short-term |  |
Fair Value | 0 | 0
Long-term |  |
Fair Value | 0 | 0
Level 3 | Asset-backed securities |  |
Short-term |  |
Fair Value | 0 | 0
Long-term |  |
Fair Value | 0 | 0
Level 3 | Agency mortgage-backed securities |  |
Long-term |  |
Fair Value | 0 |
Level 3 | Other |  |
Short-term |  |
Fair Value | 0 | 0
Long-term |  |
Fair Value | 0 | 0
Level 3 | Mutual funds |  |
Long-term |  |
Long-term other assets, fair value | 0 | 0
Level 3 | Money market funds |  |
Cash equivalents: |  |
Fair Value | 0 | 0
Level 3 | Commercial paper |  |
Cash equivalents: |  |
Fair Value | 0 | 0
Level 3 | Certificates of deposit |  |
Cash equivalents: |  |
Fair Value | 0 | 0
Level 3 | Other |  |
Cash equivalents: |  |
Fair Value | $ 0 | 0
Level 3 | U.S. government securities |  |
Cash equivalents: |  |
Fair Value |  | $ 0

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