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Fair Value Measurements (Tables) | 3 Months Ended
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Apr. 30, 2023
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, 2023 |  |  | Fair Value as of January 31, 2023
Equity investments measured using Level 1 inputs |  |  |  |  |  |  |  | $ | 3,433 |  |  |  | $ | 5,099 |
Equity investments measured using Level 2 inputs |  |  |  |  |  |  |  | 4,082 |  |  |  | 5,570 |
Total |  |  |  |  |  |  |  | $ | 7,515 |  |  |  | $ | 10,669 |
Schedule of derivative instruments | As of April 30, 2023 and January 31, 2023, the notional amounts and fair values of these derivatives were as follows:
| April 30, 2023 |  | January 31, 2023 |
(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 | $ | 6,271 |  |  | $ | (669) |  | (1) | $ | 8,021 |  |  | $ | (689) |  | (1)
Receive fixed-rate, pay fixed-rate cross-currency swaps designated as cash flow hedges | 5,920 |  |  | (1,522) |  | (1) | 5,900 |  |  | (1,423) |  | (1)
Total | $ | 12,191 |  |  | $ | (2,191) |  |  | $ | 13,921 |  |  | $ | (2,112) |  |
(1)Classified primarily 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, 2023 and January 31, 2023, are as follows:
|  | April 30, 2023 |  | January 31, 2023
(Amounts in millions) |  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
Long-term debt, including amounts due within one year |  | $ | 42,095 |  |  | $ | 41,296 |  |  | $ | 38,840 |  |  | $ | 38,169 |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI https://asc.fasb.org/extlink&oid=126976982&loc=SL7498348-110258 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=125515794&loc=d3e41620-113959 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=125515794&loc=d3e41638-113959 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=125515794&loc=d3e41678-113959 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=125515794&loc=d3e41641-113959 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579240-113959 + Details
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