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Fair Value Measurements (Tables) | 3 Months Ended
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Apr. 30, 2025
Fair Value Disclosures [Abstract] |
Fair value of investments | The fair value of these investments is as follows:
(Amounts in millions) |  |  |  |  |  |  |  | Fair Value as of April 30, 2025 |  |  | Fair Value as of January 31, 2025
Equity investments measured using Level 1 inputs |  |  |  |  |  |  |  | $ | 824 |  |  |  | $ | 959 |
Equity investments measured using Level 2 inputs |  |  |  |  |  |  |  | 1,568 |  |  |  | 2,082 |
Total |  |  |  |  |  |  |  | $ | 2,392 |  |  |  | $ | 3,041 |
Schedule of derivative instruments | As of April 30, 2025 and January 31, 2025, the notional amounts and fair values of these derivatives were as follows:
|  | April 30, 2025 |  | January 31, 2025 |
(Amounts in millions) |  | Notional Amount |  | Fair Value |  | Notional Amount |  | Fair Value |
Receive fixed-rate, pay variable-rate interest rate swaps designated as fair value hedges |  | $ | 4,771 |  |  | $ | (458) |  | (1) | $ | 4,771 |  |  | $ | (611) |  | (1)
Receive fixed-rate, pay fixed-rate cross-currency swaps designated as cash flow hedges |  | 5,903 |  |  | (1,030) |  | (1) | 5,452 |  |  | (1,388) |  | (1)
Total |  | $ | 10,674 |  |  | $ | (1,488) |  |  | $ | 10,223 |  |  | $ | (1,999) |  |
(1) Primarily classified in deferred income taxes and other within the Company's Condensed Consolidated Balance Sheets.
Carrying value and fair value of long-term debt | The carrying value and fair value of the Company's long-term debt as of April 30, 2025 and January 31, 2025, are as follows:
|  | April 30, 2025 |  | January 31, 2025
(Amounts in millions) |  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
Long-term debt, including amounts due within one year |  | $ | 40,605 |  |  | $ | 38,837 |  |  | $ | 35,999 |  |  | $ | 33,790 |

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